20679900540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{118891}}^1$

素因数の和:119139

約数の個数: 96

約数和(自身を含む): 62638012416

約数和(自身を除く): 41958111876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 223, 260, 390, 446, 669, 780, 892, 1115, 1338, 2230, 2676, 2899, 3345, 4460, 5798, 6690, 8697, 11596, 13380, 14495, 17394, 28990, 34788, 43485, 57980, 86970, 118891, 173940, 237782, 356673, 475564, 594455, 713346, 1188910, 1426692, 1545583, 1783365, 2377820, 3091166, 3566730, 4636749, 6182332, 7133460, 7727915, 9273498, 15455830, 18546996, 23183745, 26512693, 30911660, 46367490, 53025386, 79538079, 92734980, 106050772, 132563465, 159076158, 265126930, 318152316, 344665009, 397690395, 530253860, 689330018, 795380790, 1033995027, 1378660036, 1590761580, 1723325045, 2067990054, 3446650090, 4135980108, 5169975135, 6893300180, 10339950270, 20679900540]

約数ペア:

[(1, 20679900540), (2, 10339950270), (3, 6893300180), (4, 5169975135), (5, 4135980108), (6, 3446650090), (10, 2067990054), (12, 1723325045), (13, 1590761580), (15, 1378660036), (20, 1033995027), (26, 795380790), (30, 689330018), (39, 530253860), (52, 397690395), (60, 344665009), (65, 318152316), (78, 265126930), (130, 159076158), (156, 132563465), (195, 106050772), (223, 92734980), (260, 79538079), (390, 53025386), (446, 46367490), (669, 30911660), (780, 26512693), (892, 23183745), (1115, 18546996), (1338, 15455830), (2230, 9273498), (2676, 7727915), (2899, 7133460), (3345, 6182332), (4460, 4636749), (5798, 3566730), (6690, 3091166), (8697, 2377820), (11596, 1783365), (13380, 1545583), (14495, 1426692), (17394, 1188910), (28990, 713346), (34788, 594455), (43485, 475564), (57980, 356673), (86970, 237782), (118891, 173940)]