20040377900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1553}}^1\times {\mathrm{3001}}^1$

素因数の和:4611

約数の個数: 72

約数和(自身を含む): 44542451184

約数和(自身を除く): 24502073284

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1553, 2150, 3001, 3106, 4300, 6002, 6212, 7765, 12004, 15005, 15530, 30010, 31060, 38825, 60020, 66779, 75025, 77650, 129043, 133558, 150050, 155300, 258086, 267116, 300100, 333895, 516172, 645215, 667790, 1290430, 1335580, 1669475, 2580860, 3226075, 3338950, 4660553, 6452150, 6677900, 9321106, 12904300, 18642212, 23302765, 46605530, 93211060, 116513825, 200403779, 233027650, 400807558, 466055300, 801615116, 1002018895, 2004037790, 4008075580, 5010094475, 10020188950, 20040377900]

約数ペア:

[(1, 20040377900), (2, 10020188950), (4, 5010094475), (5, 4008075580), (10, 2004037790), (20, 1002018895), (25, 801615116), (43, 466055300), (50, 400807558), (86, 233027650), (100, 200403779), (172, 116513825), (215, 93211060), (430, 46605530), (860, 23302765), (1075, 18642212), (1553, 12904300), (2150, 9321106), (3001, 6677900), (3106, 6452150), (4300, 4660553), (6002, 3338950), (6212, 3226075), (7765, 2580860), (12004, 1669475), (15005, 1335580), (15530, 1290430), (30010, 667790), (31060, 645215), (38825, 516172), (60020, 333895), (66779, 300100), (75025, 267116), (77650, 258086), (129043, 155300), (133558, 150050)]