20198679876

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{449}}^1\times {\mathrm{9539}}^1$

素因数の和:10129

約数の個数: 72

約数和(自身を含む): 51567516000

約数和(自身を除く): 31368836124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 449, 524, 786, 898, 1179, 1347, 1572, 1796, 2358, 2694, 4041, 4716, 5388, 8082, 9539, 16164, 19078, 28617, 38156, 57234, 58819, 85851, 114468, 117638, 171702, 176457, 235276, 343404, 352914, 529371, 705828, 1058742, 1249609, 2117484, 2499218, 3748827, 4283011, 4998436, 7497654, 8566022, 11246481, 12849033, 14995308, 17132044, 22492962, 25698066, 38547099, 44985924, 51396132, 77094198, 154188396, 561074441, 1122148882, 1683223323, 2244297764, 3366446646, 5049669969, 6732893292, 10099339938, 20198679876]

約数ペア:

[(1, 20198679876), (2, 10099339938), (3, 6732893292), (4, 5049669969), (6, 3366446646), (9, 2244297764), (12, 1683223323), (18, 1122148882), (36, 561074441), (131, 154188396), (262, 77094198), (393, 51396132), (449, 44985924), (524, 38547099), (786, 25698066), (898, 22492962), (1179, 17132044), (1347, 14995308), (1572, 12849033), (1796, 11246481), (2358, 8566022), (2694, 7497654), (4041, 4998436), (4716, 4283011), (5388, 3748827), (8082, 2499218), (9539, 2117484), (16164, 1249609), (19078, 1058742), (28617, 705828), (38156, 529371), (57234, 352914), (58819, 343404), (85851, 235276), (114468, 176457), (117638, 171702)]