20699360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35547040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 619, 760, 836, 880, 1045, 1238, 1520, 1672, 1760, 2090, 2476, 3040, 3095, 3344, 4180, 4952, 6190, 6688, 6809, 8360, 9904, 11761, 12380, 13618, 16720, 19808, 23522, 24760, 27236, 33440, 34045, 47044, 49520, 54472, 58805, 68090, 94088, 99040, 108944, 117610, 129371, 136180, 188176, 217888, 235220, 258742, 272360, 376352, 470440, 517484, 544720, 646855, 940880, 1034968, 1089440, 1293710, 1881760, 2069936, 2587420, 4139872, 5174840, 10349680, 20699360]

約数ペア:

[(1, 20699360), (2, 10349680), (4, 5174840), (5, 4139872), (8, 2587420), (10, 2069936), (11, 1881760), (16, 1293710), (19, 1089440), (20, 1034968), (22, 940880), (32, 646855), (38, 544720), (40, 517484), (44, 470440), (55, 376352), (76, 272360), (80, 258742), (88, 235220), (95, 217888), (110, 188176), (152, 136180), (160, 129371), (176, 117610), (190, 108944), (209, 99040), (220, 94088), (304, 68090), (352, 58805), (380, 54472), (418, 49520), (440, 47044), (608, 34045), (619, 33440), (760, 27236), (836, 24760), (880, 23522), (1045, 19808), (1238, 16720), (1520, 13618), (1672, 12380), (1760, 11761), (2090, 9904), (2476, 8360), (3040, 6809), (3095, 6688), (3344, 6190), (4180, 4952)]