20456465600

素因数分解:

$2^6\times 5^2\times {\mathrm{241}}^1\times {\mathrm{53051}}^1$

素因数の和:53314

約数の個数: 84

約数和(自身を含む): 50545505208

約数和(自身を除く): 30089039608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 241, 320, 400, 482, 800, 964, 1205, 1600, 1928, 2410, 3856, 4820, 6025, 7712, 9640, 12050, 15424, 19280, 24100, 38560, 48200, 53051, 77120, 96400, 106102, 192800, 212204, 265255, 385600, 424408, 530510, 848816, 1061020, 1326275, 1697632, 2122040, 2652550, 3395264, 4244080, 5305100, 8488160, 10610200, 12785291, 16976320, 21220400, 25570582, 42440800, 51141164, 63926455, 84881600, 102282328, 127852910, 204564656, 255705820, 319632275, 409129312, 511411640, 639264550, 818258624, 1022823280, 1278529100, 2045646560, 2557058200, 4091293120, 5114116400, 10228232800, 20456465600]

約数ペア:

[(1, 20456465600), (2, 10228232800), (4, 5114116400), (5, 4091293120), (8, 2557058200), (10, 2045646560), (16, 1278529100), (20, 1022823280), (25, 818258624), (32, 639264550), (40, 511411640), (50, 409129312), (64, 319632275), (80, 255705820), (100, 204564656), (160, 127852910), (200, 102282328), (241, 84881600), (320, 63926455), (400, 51141164), (482, 42440800), (800, 25570582), (964, 21220400), (1205, 16976320), (1600, 12785291), (1928, 10610200), (2410, 8488160), (3856, 5305100), (4820, 4244080), (6025, 3395264), (7712, 2652550), (9640, 2122040), (12050, 1697632), (15424, 1326275), (19280, 1061020), (24100, 848816), (38560, 530510), (48200, 424408), (53051, 385600), (77120, 265255), (96400, 212204), (106102, 192800)]