20404674

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 25421886

約数列:

[1, 2, 3, 6, 9, 18, 47, 89, 94, 141, 178, 267, 271, 282, 423, 534, 542, 801, 813, 846, 1602, 1626, 2439, 4183, 4878, 8366, 12549, 12737, 24119, 25098, 25474, 37647, 38211, 48238, 72357, 75294, 76422, 114633, 144714, 217071, 229266, 434142, 1133593, 2267186, 3400779, 6801558, 10202337, 20404674]

約数ペア:

[(1, 20404674), (2, 10202337), (3, 6801558), (6, 3400779), (9, 2267186), (18, 1133593), (47, 434142), (89, 229266), (94, 217071), (141, 144714), (178, 114633), (267, 76422), (271, 75294), (282, 72357), (423, 48238), (534, 38211), (542, 37647), (801, 25474), (813, 25098), (846, 24119), (1602, 12737), (1626, 12549), (2439, 8366), (4183, 4878)]