20340108

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 34434612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 227, 228, 262, 342, 393, 454, 524, 681, 684, 786, 908, 1179, 1362, 1572, 2043, 2358, 2489, 2724, 4086, 4313, 4716, 4978, 7467, 8172, 8626, 9956, 12939, 14934, 17252, 22401, 25878, 29737, 29868, 38817, 44802, 51756, 59474, 77634, 89211, 89604, 118948, 155268, 178422, 267633, 356844, 535266, 565003, 1070532, 1130006, 1695009, 2260012, 3390018, 5085027, 6780036, 10170054, 20340108]

約数ペア:

[(1, 20340108), (2, 10170054), (3, 6780036), (4, 5085027), (6, 3390018), (9, 2260012), (12, 1695009), (18, 1130006), (19, 1070532), (36, 565003), (38, 535266), (57, 356844), (76, 267633), (114, 178422), (131, 155268), (171, 118948), (227, 89604), (228, 89211), (262, 77634), (342, 59474), (393, 51756), (454, 44802), (524, 38817), (681, 29868), (684, 29737), (786, 25878), (908, 22401), (1179, 17252), (1362, 14934), (1572, 12939), (2043, 9956), (2358, 8626), (2489, 8172), (2724, 7467), (4086, 4978), (4313, 4716)]