20087340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 69850368

約数和(自身を除く): 49763028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 283, 338, 364, 390, 420, 455, 507, 546, 566, 676, 780, 845, 849, 910, 1014, 1092, 1132, 1183, 1365, 1415, 1690, 1698, 1820, 1981, 2028, 2366, 2535, 2730, 2830, 3380, 3396, 3549, 3679, 3962, 4245, 4732, 5070, 5460, 5660, 5915, 5943, 7098, 7358, 7924, 8490, 9905, 10140, 11037, 11830, 11886, 14196, 14716, 16980, 17745, 18395, 19810, 22074, 23660, 23772, 25753, 29715, 35490, 36790, 39620, 44148, 47827, 51506, 55185, 59430, 70980, 73580, 77259, 95654, 103012, 110370, 118860, 128765, 143481, 154518, 191308, 220740, 239135, 257530, 286962, 309036, 334789, 386295, 478270, 515060, 573924, 669578, 717405, 772590, 956540, 1004367, 1339156, 1434810, 1545180, 1673945, 2008734, 2869620, 3347890, 4017468, 5021835, 6695780, 10043670, 20087340]

約数ペア:

[(1, 20087340), (2, 10043670), (3, 6695780), (4, 5021835), (5, 4017468), (6, 3347890), (7, 2869620), (10, 2008734), (12, 1673945), (13, 1545180), (14, 1434810), (15, 1339156), (20, 1004367), (21, 956540), (26, 772590), (28, 717405), (30, 669578), (35, 573924), (39, 515060), (42, 478270), (52, 386295), (60, 334789), (65, 309036), (70, 286962), (78, 257530), (84, 239135), (91, 220740), (105, 191308), (130, 154518), (140, 143481), (156, 128765), (169, 118860), (182, 110370), (195, 103012), (210, 95654), (260, 77259), (273, 73580), (283, 70980), (338, 59430), (364, 55185), (390, 51506), (420, 47827), (455, 44148), (507, 39620), (546, 36790), (566, 35490), (676, 29715), (780, 25753), (845, 23772), (849, 23660), (910, 22074), (1014, 19810), (1092, 18395), (1132, 17745), (1183, 16980), (1365, 14716), (1415, 14196), (1690, 11886), (1698, 11830), (1820, 11037), (1981, 10140), (2028, 9905), (2366, 8490), (2535, 7924), (2730, 7358), (2830, 7098), (3380, 5943), (3396, 5915), (3549, 5660), (3679, 5460), (3962, 5070), (4245, 4732)]