20175343100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{18773}}^1$

素因数の和:19775

約数の個数: 72

約数和(自身を含む): 47811971088

約数和(自身を除く): 27636627988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 977, 1100, 1954, 3908, 4885, 9770, 10747, 18773, 19540, 21494, 24425, 37546, 42988, 48850, 53735, 75092, 93865, 97700, 107470, 187730, 206503, 214940, 268675, 375460, 413006, 469325, 537350, 826012, 938650, 1032515, 1074700, 1877300, 2065030, 4130060, 5162575, 10325150, 18341221, 20650300, 36682442, 73364884, 91706105, 183412210, 201753431, 366824420, 403506862, 458530525, 807013724, 917061050, 1008767155, 1834122100, 2017534310, 4035068620, 5043835775, 10087671550, 20175343100]

約数ペア:

[(1, 20175343100), (2, 10087671550), (4, 5043835775), (5, 4035068620), (10, 2017534310), (11, 1834122100), (20, 1008767155), (22, 917061050), (25, 807013724), (44, 458530525), (50, 403506862), (55, 366824420), (100, 201753431), (110, 183412210), (220, 91706105), (275, 73364884), (550, 36682442), (977, 20650300), (1100, 18341221), (1954, 10325150), (3908, 5162575), (4885, 4130060), (9770, 2065030), (10747, 1877300), (18773, 1074700), (19540, 1032515), (21494, 938650), (24425, 826012), (37546, 537350), (42988, 469325), (48850, 413006), (53735, 375460), (75092, 268675), (93865, 214940), (97700, 206503), (107470, 187730)]