20149634428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{3671}}^1$

素因数の和:4015

約数の個数: 96

約数和(自身を含む): 44771844096

約数和(自身を除く): 24622209668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 251, 284, 308, 497, 502, 781, 994, 1004, 1562, 1757, 1988, 2761, 3124, 3514, 3671, 5467, 5522, 7028, 7342, 10934, 11044, 14684, 17821, 19327, 21868, 25697, 35642, 38654, 40381, 51394, 71284, 77308, 80762, 102788, 124747, 161524, 196031, 249494, 260641, 282667, 392062, 498988, 521282, 565334, 784124, 921421, 1042564, 1130668, 1372217, 1824487, 1842842, 2744434, 2867051, 3648974, 3685684, 5488868, 5734102, 6449947, 7297948, 10135631, 11468204, 12899894, 20069357, 20271262, 25799788, 40138714, 40542524, 65420891, 70949417, 80277428, 130841782, 141898834, 261683564, 283797668, 457946237, 719629801, 915892474, 1439259602, 1831784948, 2878519204, 5037408607, 10074817214, 20149634428]

約数ペア:

[(1, 20149634428), (2, 10074817214), (4, 5037408607), (7, 2878519204), (11, 1831784948), (14, 1439259602), (22, 915892474), (28, 719629801), (44, 457946237), (71, 283797668), (77, 261683564), (142, 141898834), (154, 130841782), (251, 80277428), (284, 70949417), (308, 65420891), (497, 40542524), (502, 40138714), (781, 25799788), (994, 20271262), (1004, 20069357), (1562, 12899894), (1757, 11468204), (1988, 10135631), (2761, 7297948), (3124, 6449947), (3514, 5734102), (3671, 5488868), (5467, 3685684), (5522, 3648974), (7028, 2867051), (7342, 2744434), (10934, 1842842), (11044, 1824487), (14684, 1372217), (17821, 1130668), (19327, 1042564), (21868, 921421), (25697, 784124), (35642, 565334), (38654, 521282), (40381, 498988), (51394, 392062), (71284, 282667), (77308, 260641), (80762, 249494), (102788, 196031), (124747, 161524)]