20861458176

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2089489}}^1$

素因数の和:2089521

約数の個数: 72

約数和(自身を含む): 59792845840

約数和(自身を除く): 38931387664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 2089489, 4178978, 6268467, 8357956, 12536934, 16715912, 25073868, 27163357, 33431824, 50147736, 54326714, 66863648, 81490071, 100295472, 108653428, 133727296, 162980142, 200590944, 217306856, 267454592, 325960284, 401181888, 434613712, 534909184, 651920568, 802363776, 869227424, 1303841136, 1604727552, 1738454848, 2607682272, 3476909696, 5215364544, 6953819392, 10430729088, 20861458176]

約数ペア:

[(1, 20861458176), (2, 10430729088), (3, 6953819392), (4, 5215364544), (6, 3476909696), (8, 2607682272), (12, 1738454848), (13, 1604727552), (16, 1303841136), (24, 869227424), (26, 802363776), (32, 651920568), (39, 534909184), (48, 434613712), (52, 401181888), (64, 325960284), (78, 267454592), (96, 217306856), (104, 200590944), (128, 162980142), (156, 133727296), (192, 108653428), (208, 100295472), (256, 81490071), (312, 66863648), (384, 54326714), (416, 50147736), (624, 33431824), (768, 27163357), (832, 25073868), (1248, 16715912), (1664, 12536934), (2496, 8357956), (3328, 6268467), (4992, 4178978), (9984, 2089489)]