20505014710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{11369}}^1$

素因数の和:11553

約数の個数: 64

約数和(自身を含む): 38990185920

約数和(自身を除く): 18485171210

約数列:

[1, 2, 5, 10, 41, 53, 82, 83, 106, 166, 205, 265, 410, 415, 530, 830, 2173, 3403, 4346, 4399, 6806, 8798, 10865, 11369, 17015, 21730, 21995, 22738, 34030, 43990, 56845, 113690, 180359, 360718, 466129, 602557, 901795, 932258, 943627, 1205114, 1803590, 1887254, 2330645, 3012785, 4661290, 4718135, 6025570, 9436270, 24704837, 38688707, 49409674, 50012231, 77377414, 100024462, 123524185, 193443535, 247048370, 250061155, 386887070, 500122310, 2050501471, 4101002942, 10252507355, 20505014710]

約数ペア:

[(1, 20505014710), (2, 10252507355), (5, 4101002942), (10, 2050501471), (41, 500122310), (53, 386887070), (82, 250061155), (83, 247048370), (106, 193443535), (166, 123524185), (205, 100024462), (265, 77377414), (410, 50012231), (415, 49409674), (530, 38688707), (830, 24704837), (2173, 9436270), (3403, 6025570), (4346, 4718135), (4399, 4661290), (6806, 3012785), (8798, 2330645), (10865, 1887254), (11369, 1803590), (17015, 1205114), (21730, 943627), (21995, 932258), (22738, 901795), (34030, 602557), (43990, 466129), (56845, 360718), (113690, 180359)]