20120853890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1189879}}^1$

素因数の和:1189994

約数の個数: 32

約数和(自身を含む): 38552112000

約数和(自身を除く): 18431258110

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 16910, 1189879, 2379758, 5949395, 11898790, 22607701, 45215402, 105899231, 113038505, 211798462, 226077010, 529496155, 1058992310, 2012085389, 4024170778, 10060426945, 20120853890]

約数ペア:

[(1, 20120853890), (2, 10060426945), (5, 4024170778), (10, 2012085389), (19, 1058992310), (38, 529496155), (89, 226077010), (95, 211798462), (178, 113038505), (190, 105899231), (445, 45215402), (890, 22607701), (1691, 11898790), (3382, 5949395), (8455, 2379758), (16910, 1189879)]