20296640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 224

約数和(自身を含む): 64520064

約数和(自身を除く): 44223424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 41, 52, 56, 64, 65, 68, 70, 80, 82, 85, 91, 104, 112, 119, 130, 136, 140, 160, 164, 170, 182, 205, 208, 221, 224, 238, 260, 272, 280, 287, 320, 328, 340, 364, 410, 416, 442, 448, 455, 476, 520, 533, 544, 560, 574, 595, 656, 680, 697, 728, 820, 832, 884, 910, 952, 1040, 1066, 1088, 1105, 1120, 1148, 1190, 1312, 1360, 1394, 1435, 1456, 1547, 1640, 1768, 1820, 1904, 2080, 2132, 2210, 2240, 2296, 2380, 2624, 2665, 2720, 2788, 2870, 2912, 3094, 3280, 3485, 3536, 3640, 3731, 3808, 4160, 4264, 4420, 4592, 4760, 4879, 5330, 5440, 5576, 5740, 5824, 6188, 6560, 6970, 7072, 7280, 7462, 7616, 7735, 8528, 8840, 9061, 9184, 9520, 9758, 10660, 11152, 11480, 12376, 13120, 13940, 14144, 14560, 14924, 15470, 17056, 17680, 18122, 18368, 18655, 19040, 19516, 21320, 22304, 22960, 24395, 24752, 27880, 29120, 29848, 30940, 34112, 35360, 36244, 37310, 38080, 39032, 42640, 44608, 45305, 45920, 48790, 49504, 55760, 59696, 61880, 63427, 70720, 72488, 74620, 78064, 85280, 90610, 91840, 97580, 99008, 111520, 119392, 123760, 126854, 144976, 149240, 156128, 170560, 181220, 195160, 223040, 238784, 247520, 253708, 289952, 298480, 312256, 317135, 362440, 390320, 495040, 507416, 579904, 596960, 634270, 724880, 780640, 1014832, 1193920, 1268540, 1449760, 1561280, 2029664, 2537080, 2899520, 4059328, 5074160, 10148320, 20296640]

約数ペア:

[(1, 20296640), (2, 10148320), (4, 5074160), (5, 4059328), (7, 2899520), (8, 2537080), (10, 2029664), (13, 1561280), (14, 1449760), (16, 1268540), (17, 1193920), (20, 1014832), (26, 780640), (28, 724880), (32, 634270), (34, 596960), (35, 579904), (40, 507416), (41, 495040), (52, 390320), (56, 362440), (64, 317135), (65, 312256), (68, 298480), (70, 289952), (80, 253708), (82, 247520), (85, 238784), (91, 223040), (104, 195160), (112, 181220), (119, 170560), (130, 156128), (136, 149240), (140, 144976), (160, 126854), (164, 123760), (170, 119392), (182, 111520), (205, 99008), (208, 97580), (221, 91840), (224, 90610), (238, 85280), (260, 78064), (272, 74620), (280, 72488), (287, 70720), (320, 63427), (328, 61880), (340, 59696), (364, 55760), (410, 49504), (416, 48790), (442, 45920), (448, 45305), (455, 44608), (476, 42640), (520, 39032), (533, 38080), (544, 37310), (560, 36244), (574, 35360), (595, 34112), (656, 30940), (680, 29848), (697, 29120), (728, 27880), (820, 24752), (832, 24395), (884, 22960), (910, 22304), (952, 21320), (1040, 19516), (1066, 19040), (1088, 18655), (1105, 18368), (1120, 18122), (1148, 17680), (1190, 17056), (1312, 15470), (1360, 14924), (1394, 14560), (1435, 14144), (1456, 13940), (1547, 13120), (1640, 12376), (1768, 11480), (1820, 11152), (1904, 10660), (2080, 9758), (2132, 9520), (2210, 9184), (2240, 9061), (2296, 8840), (2380, 8528), (2624, 7735), (2665, 7616), (2720, 7462), (2788, 7280), (2870, 7072), (2912, 6970), (3094, 6560), (3280, 6188), (3485, 5824), (3536, 5740), (3640, 5576), (3731, 5440), (3808, 5330), (4160, 4879), (4264, 4760), (4420, 4592)]