20197945092

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{25087}}^1$

素因数の和:25517

約数の個数: 72

約数和(自身を含む): 51163262976

約数和(自身を除く): 30965317884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 397, 507, 676, 794, 1014, 1191, 1588, 2028, 2382, 4764, 5161, 10322, 15483, 20644, 25087, 30966, 50174, 61932, 67093, 75261, 100348, 134186, 150522, 201279, 268372, 301044, 326131, 402558, 652262, 805116, 978393, 1304524, 1956786, 3913572, 4239703, 8479406, 9959539, 12719109, 16958812, 19919078, 25438218, 29878617, 39838156, 50876436, 59757234, 119514468, 129474007, 258948014, 388422021, 517896028, 776844042, 1553688084, 1683162091, 3366324182, 5049486273, 6732648364, 10098972546, 20197945092]

約数ペア:

[(1, 20197945092), (2, 10098972546), (3, 6732648364), (4, 5049486273), (6, 3366324182), (12, 1683162091), (13, 1553688084), (26, 776844042), (39, 517896028), (52, 388422021), (78, 258948014), (156, 129474007), (169, 119514468), (338, 59757234), (397, 50876436), (507, 39838156), (676, 29878617), (794, 25438218), (1014, 19919078), (1191, 16958812), (1588, 12719109), (2028, 9959539), (2382, 8479406), (4764, 4239703), (5161, 3913572), (10322, 1956786), (15483, 1304524), (20644, 978393), (25087, 805116), (30966, 652262), (50174, 402558), (61932, 326131), (67093, 301044), (75261, 268372), (100348, 201279), (134186, 150522)]