20173810720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{174877}}^1$

素因数の和:175002

約数の個数: 96

約数和(自身を含む): 54998431488

約数和(自身を除く): 34824620768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 160, 206, 224, 280, 412, 515, 560, 721, 824, 1030, 1120, 1442, 1648, 2060, 2884, 3296, 3605, 4120, 5768, 7210, 8240, 11536, 14420, 16480, 23072, 28840, 57680, 115360, 174877, 349754, 699508, 874385, 1224139, 1399016, 1748770, 2448278, 2798032, 3497540, 4896556, 5596064, 6120695, 6995080, 9793112, 12241390, 13990160, 18012331, 19586224, 24482780, 27980320, 36024662, 39172448, 48965560, 72049324, 90061655, 97931120, 126086317, 144098648, 180123310, 195862240, 252172634, 288197296, 360246620, 504345268, 576394592, 630431585, 720493240, 1008690536, 1260863170, 1440986480, 2017381072, 2521726340, 2881972960, 4034762144, 5043452680, 10086905360, 20173810720]

約数ペア:

[(1, 20173810720), (2, 10086905360), (4, 5043452680), (5, 4034762144), (7, 2881972960), (8, 2521726340), (10, 2017381072), (14, 1440986480), (16, 1260863170), (20, 1008690536), (28, 720493240), (32, 630431585), (35, 576394592), (40, 504345268), (56, 360246620), (70, 288197296), (80, 252172634), (103, 195862240), (112, 180123310), (140, 144098648), (160, 126086317), (206, 97931120), (224, 90061655), (280, 72049324), (412, 48965560), (515, 39172448), (560, 36024662), (721, 27980320), (824, 24482780), (1030, 19586224), (1120, 18012331), (1442, 13990160), (1648, 12241390), (2060, 9793112), (2884, 6995080), (3296, 6120695), (3605, 5596064), (4120, 4896556), (5768, 3497540), (7210, 2798032), (8240, 2448278), (11536, 1748770), (14420, 1399016), (16480, 1224139), (23072, 874385), (28840, 699508), (57680, 349754), (115360, 174877)]