20953688444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{17749}}^1$

素因数の和:18150

約数の個数: 48

約数和(自身を含む): 40161576000

約数和(自身を除く): 19207887556

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 311, 622, 949, 1244, 1898, 3796, 4043, 8086, 16172, 17749, 22703, 35498, 45406, 70996, 90812, 230737, 295139, 461474, 590278, 922948, 1180556, 1295677, 2591354, 5182708, 5519939, 11039878, 16843801, 22079756, 33687602, 67375204, 71759207, 143518414, 287036828, 402955547, 805911094, 1611822188, 5238422111, 10476844222, 20953688444]

約数ペア:

[(1, 20953688444), (2, 10476844222), (4, 5238422111), (13, 1611822188), (26, 805911094), (52, 402955547), (73, 287036828), (146, 143518414), (292, 71759207), (311, 67375204), (622, 33687602), (949, 22079756), (1244, 16843801), (1898, 11039878), (3796, 5519939), (4043, 5182708), (8086, 2591354), (16172, 1295677), (17749, 1180556), (22703, 922948), (35498, 590278), (45406, 461474), (70996, 295139), (90812, 230737)]