20838446160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12403837}}^1$

素因数の和:12403860

約数の個数: 80

約数和(自身を含む): 73827643776

約数和(自身を除く): 52989197616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12403837, 24807674, 37211511, 49615348, 62019185, 74423022, 86826859, 99230696, 124038370, 148846044, 173653718, 186057555, 198461392, 248076740, 260480577, 297692088, 347307436, 372115110, 434134295, 496153480, 520961154, 595384176, 694614872, 744230220, 868268590, 992306960, 1041922308, 1302402885, 1389229744, 1488460440, 1736537180, 2083844616, 2604805770, 2976920880, 3473074360, 4167689232, 5209611540, 6946148720, 10419223080, 20838446160]

約数ペア:

[(1, 20838446160), (2, 10419223080), (3, 6946148720), (4, 5209611540), (5, 4167689232), (6, 3473074360), (7, 2976920880), (8, 2604805770), (10, 2083844616), (12, 1736537180), (14, 1488460440), (15, 1389229744), (16, 1302402885), (20, 1041922308), (21, 992306960), (24, 868268590), (28, 744230220), (30, 694614872), (35, 595384176), (40, 520961154), (42, 496153480), (48, 434134295), (56, 372115110), (60, 347307436), (70, 297692088), (80, 260480577), (84, 248076740), (105, 198461392), (112, 186057555), (120, 173653718), (140, 148846044), (168, 124038370), (210, 99230696), (240, 86826859), (280, 74423022), (336, 62019185), (420, 49615348), (560, 37211511), (840, 24807674), (1680, 12403837)]