20123667750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{67}}^1\times {\mathrm{400471}}^1$

素因数の和:400558

約数の個数: 64

約数和(自身を含む): 50978483712

約数和(自身を除く): 30854815962

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 67, 75, 125, 134, 150, 201, 250, 335, 375, 402, 670, 750, 1005, 1675, 2010, 3350, 5025, 8375, 10050, 16750, 25125, 50250, 400471, 800942, 1201413, 2002355, 2402826, 4004710, 6007065, 10011775, 12014130, 20023550, 26831557, 30035325, 50058875, 53663114, 60070650, 80494671, 100117750, 134157785, 150176625, 160989342, 268315570, 300353250, 402473355, 670788925, 804946710, 1341577850, 2012366775, 3353944625, 4024733550, 6707889250, 10061833875, 20123667750]

約数ペア:

[(1, 20123667750), (2, 10061833875), (3, 6707889250), (5, 4024733550), (6, 3353944625), (10, 2012366775), (15, 1341577850), (25, 804946710), (30, 670788925), (50, 402473355), (67, 300353250), (75, 268315570), (125, 160989342), (134, 150176625), (150, 134157785), (201, 100117750), (250, 80494671), (335, 60070650), (375, 53663114), (402, 50058875), (670, 30035325), (750, 26831557), (1005, 20023550), (1675, 12014130), (2010, 10011775), (3350, 6007065), (5025, 4004710), (8375, 2402826), (10050, 2002355), (16750, 1201413), (25125, 800942), (50250, 400471)]