20450004

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 50568000

約数和(自身を除く): 30117996

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 257, 349, 514, 698, 771, 1028, 1047, 1396, 1542, 2094, 3084, 4188, 4883, 6631, 9766, 13262, 14649, 19532, 19893, 26524, 29298, 39786, 58596, 79572, 89693, 179386, 269079, 358772, 538158, 1076316, 1704167, 3408334, 5112501, 6816668, 10225002, 20450004]

約数ペア:

[(1, 20450004), (2, 10225002), (3, 6816668), (4, 5112501), (6, 3408334), (12, 1704167), (19, 1076316), (38, 538158), (57, 358772), (76, 269079), (114, 179386), (228, 89693), (257, 79572), (349, 58596), (514, 39786), (698, 29298), (771, 26524), (1028, 19893), (1047, 19532), (1396, 14649), (1542, 13262), (2094, 9766), (3084, 6631), (4188, 4883)]