20005936992

素因数分解:

$2^5\times 3^2\times {\mathrm{479}}^1\times {\mathrm{145021}}^1$

素因数の和:145516

約数の個数: 72

約数和(自身を含む): 57011048640

約数和(自身を除く): 37005111648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 479, 958, 1437, 1916, 2874, 3832, 4311, 5748, 7664, 8622, 11496, 15328, 17244, 22992, 34488, 45984, 68976, 137952, 145021, 290042, 435063, 580084, 870126, 1160168, 1305189, 1740252, 2320336, 2610378, 3480504, 4640672, 5220756, 6961008, 10441512, 13922016, 20883024, 41766048, 69465059, 138930118, 208395177, 277860236, 416790354, 555720472, 625185531, 833580708, 1111440944, 1250371062, 1667161416, 2222881888, 2500742124, 3334322832, 5001484248, 6668645664, 10002968496, 20005936992]

約数ペア:

[(1, 20005936992), (2, 10002968496), (3, 6668645664), (4, 5001484248), (6, 3334322832), (8, 2500742124), (9, 2222881888), (12, 1667161416), (16, 1250371062), (18, 1111440944), (24, 833580708), (32, 625185531), (36, 555720472), (48, 416790354), (72, 277860236), (96, 208395177), (144, 138930118), (288, 69465059), (479, 41766048), (958, 20883024), (1437, 13922016), (1916, 10441512), (2874, 6961008), (3832, 5220756), (4311, 4640672), (5748, 3480504), (7664, 2610378), (8622, 2320336), (11496, 1740252), (15328, 1305189), (17244, 1160168), (22992, 870126), (34488, 580084), (45984, 435063), (68976, 290042), (137952, 145021)]