10204020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 31370976

約数和(自身を除く): 21166956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 683, 747, 830, 996, 1245, 1366, 1494, 1660, 2049, 2490, 2732, 2988, 3415, 3735, 4098, 4980, 6147, 6830, 7470, 8196, 10245, 12294, 13660, 14940, 20490, 24588, 30735, 40980, 56689, 61470, 113378, 122940, 170067, 226756, 283445, 340134, 510201, 566890, 680268, 850335, 1020402, 1133780, 1700670, 2040804, 2551005, 3401340, 5102010, 10204020]

約数ペア:

[(1, 10204020), (2, 5102010), (3, 3401340), (4, 2551005), (5, 2040804), (6, 1700670), (9, 1133780), (10, 1020402), (12, 850335), (15, 680268), (18, 566890), (20, 510201), (30, 340134), (36, 283445), (45, 226756), (60, 170067), (83, 122940), (90, 113378), (166, 61470), (180, 56689), (249, 40980), (332, 30735), (415, 24588), (498, 20490), (683, 14940), (747, 13660), (830, 12294), (996, 10245), (1245, 8196), (1366, 7470), (1494, 6830), (1660, 6147), (2049, 4980), (2490, 4098), (2732, 3735), (2988, 3415)]