20512222100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{294293}}^1$

素因数の和:294365

約数の個数: 72

約数和(自身を含む): 48279519288

約数和(自身を除く): 27767297188

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 340, 410, 425, 697, 820, 850, 1025, 1394, 1700, 2050, 2788, 3485, 4100, 6970, 13940, 17425, 34850, 69700, 294293, 588586, 1177172, 1471465, 2942930, 5002981, 5885860, 7357325, 10005962, 12066013, 14714650, 20011924, 24132026, 25014905, 29429300, 48264052, 50029810, 60330065, 100059620, 120660130, 125074525, 205122221, 241320260, 250149050, 301650325, 410244442, 500298100, 603300650, 820488884, 1025611105, 1206601300, 2051222210, 4102444420, 5128055525, 10256111050, 20512222100]

約数ペア:

[(1, 20512222100), (2, 10256111050), (4, 5128055525), (5, 4102444420), (10, 2051222210), (17, 1206601300), (20, 1025611105), (25, 820488884), (34, 603300650), (41, 500298100), (50, 410244442), (68, 301650325), (82, 250149050), (85, 241320260), (100, 205122221), (164, 125074525), (170, 120660130), (205, 100059620), (340, 60330065), (410, 50029810), (425, 48264052), (697, 29429300), (820, 25014905), (850, 24132026), (1025, 20011924), (1394, 14714650), (1700, 12066013), (2050, 10005962), (2788, 7357325), (3485, 5885860), (4100, 5002981), (6970, 2942930), (13940, 1471465), (17425, 1177172), (34850, 588586), (69700, 294293)]