20996910036

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{193577}}^1$

素因数の和:193741

約数の個数: 72

約数和(自身を含む): 55806214464

約数和(自身を除く): 34809304428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 131, 138, 207, 262, 276, 393, 414, 524, 786, 828, 1179, 1572, 2358, 3013, 4716, 6026, 9039, 12052, 18078, 27117, 36156, 54234, 108468, 193577, 387154, 580731, 774308, 1161462, 1742193, 2322924, 3484386, 4452271, 6968772, 8904542, 13356813, 17809084, 25358587, 26713626, 40070439, 50717174, 53427252, 76075761, 80140878, 101434348, 152151522, 160281756, 228227283, 304303044, 456454566, 583247501, 912909132, 1166495002, 1749742503, 2332990004, 3499485006, 5249227509, 6998970012, 10498455018, 20996910036]

約数ペア:

[(1, 20996910036), (2, 10498455018), (3, 6998970012), (4, 5249227509), (6, 3499485006), (9, 2332990004), (12, 1749742503), (18, 1166495002), (23, 912909132), (36, 583247501), (46, 456454566), (69, 304303044), (92, 228227283), (131, 160281756), (138, 152151522), (207, 101434348), (262, 80140878), (276, 76075761), (393, 53427252), (414, 50717174), (524, 40070439), (786, 26713626), (828, 25358587), (1179, 17809084), (1572, 13356813), (2358, 8904542), (3013, 6968772), (4716, 4452271), (6026, 3484386), (9039, 2322924), (12052, 1742193), (18078, 1161462), (27117, 774308), (36156, 580731), (54234, 387154), (108468, 193577)]