20893600

素因数分解:

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

素因数の和:88

約数の個数: 216

約数和(自身を含む): 65456748

約数和(自身を除く): 44563148

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 41, 49, 50, 52, 56, 65, 70, 80, 82, 91, 98, 100, 104, 112, 130, 140, 160, 164, 175, 182, 196, 200, 205, 208, 224, 245, 260, 280, 287, 325, 328, 350, 364, 392, 400, 410, 416, 455, 490, 520, 533, 560, 574, 637, 650, 656, 700, 728, 784, 800, 820, 910, 980, 1025, 1040, 1066, 1120, 1148, 1225, 1274, 1300, 1312, 1400, 1435, 1456, 1568, 1640, 1820, 1960, 2009, 2050, 2080, 2132, 2275, 2296, 2450, 2548, 2600, 2665, 2800, 2870, 2912, 3185, 3280, 3640, 3731, 3920, 4018, 4100, 4264, 4550, 4592, 4900, 5096, 5200, 5330, 5600, 5740, 6370, 6560, 7175, 7280, 7462, 7840, 8036, 8200, 8528, 9100, 9184, 9800, 10045, 10192, 10400, 10660, 11480, 12740, 13325, 14350, 14560, 14924, 15925, 16072, 16400, 17056, 18200, 18655, 19600, 20090, 20384, 21320, 22960, 25480, 26117, 26650, 28700, 29848, 31850, 32144, 32800, 36400, 37310, 39200, 40180, 42640, 45920, 50225, 50960, 52234, 53300, 57400, 59696, 63700, 64288, 72800, 74620, 80360, 85280, 93275, 100450, 101920, 104468, 106600, 114800, 119392, 127400, 130585, 149240, 160720, 186550, 200900, 208936, 213200, 229600, 254800, 261170, 298480, 321440, 373100, 401800, 417872, 426400, 509600, 522340, 596960, 652925, 746200, 803600, 835744, 1044680, 1305850, 1492400, 1607200, 2089360, 2611700, 2984800, 4178720, 5223400, 10446800, 20893600]

約数ペア:

[(1, 20893600), (2, 10446800), (4, 5223400), (5, 4178720), (7, 2984800), (8, 2611700), (10, 2089360), (13, 1607200), (14, 1492400), (16, 1305850), (20, 1044680), (25, 835744), (26, 803600), (28, 746200), (32, 652925), (35, 596960), (40, 522340), (41, 509600), (49, 426400), (50, 417872), (52, 401800), (56, 373100), (65, 321440), (70, 298480), (80, 261170), (82, 254800), (91, 229600), (98, 213200), (100, 208936), (104, 200900), (112, 186550), (130, 160720), (140, 149240), (160, 130585), (164, 127400), (175, 119392), (182, 114800), (196, 106600), (200, 104468), (205, 101920), (208, 100450), (224, 93275), (245, 85280), (260, 80360), (280, 74620), (287, 72800), (325, 64288), (328, 63700), (350, 59696), (364, 57400), (392, 53300), (400, 52234), (410, 50960), (416, 50225), (455, 45920), (490, 42640), (520, 40180), (533, 39200), (560, 37310), (574, 36400), (637, 32800), (650, 32144), (656, 31850), (700, 29848), (728, 28700), (784, 26650), (800, 26117), (820, 25480), (910, 22960), (980, 21320), (1025, 20384), (1040, 20090), (1066, 19600), (1120, 18655), (1148, 18200), (1225, 17056), (1274, 16400), (1300, 16072), (1312, 15925), (1400, 14924), (1435, 14560), (1456, 14350), (1568, 13325), (1640, 12740), (1820, 11480), (1960, 10660), (2009, 10400), (2050, 10192), (2080, 10045), (2132, 9800), (2275, 9184), (2296, 9100), (2450, 8528), (2548, 8200), (2600, 8036), (2665, 7840), (2800, 7462), (2870, 7280), (2912, 7175), (3185, 6560), (3280, 6370), (3640, 5740), (3731, 5600), (3920, 5330), (4018, 5200), (4100, 5096), (4264, 4900), (4550, 4592)]