20559240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 54919800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 180, 184, 191, 195, 207, 230, 234, 260, 276, 299, 312, 345, 360, 382, 390, 414, 460, 468, 520, 552, 573, 585, 598, 690, 764, 780, 828, 897, 920, 936, 955, 1035, 1146, 1170, 1196, 1380, 1495, 1528, 1560, 1656, 1719, 1794, 1910, 2070, 2292, 2340, 2392, 2483, 2691, 2760, 2865, 2990, 3438, 3588, 3820, 4140, 4393, 4485, 4584, 4680, 4966, 5382, 5730, 5980, 6876, 7176, 7449, 7640, 8280, 8595, 8786, 8970, 9932, 10764, 11460, 11960, 12415, 13179, 13455, 13752, 14898, 17190, 17572, 17940, 19864, 21528, 21965, 22347, 22920, 24830, 26358, 26910, 29796, 34380, 35144, 35880, 37245, 39537, 43930, 44694, 49660, 52716, 53820, 57109, 59592, 65895, 68760, 74490, 79074, 87860, 89388, 99320, 105432, 107640, 111735, 114218, 131790, 148980, 158148, 171327, 175720, 178776, 197685, 223470, 228436, 263580, 285545, 297960, 316296, 342654, 395370, 446940, 456872, 513981, 527160, 571090, 685308, 790740, 856635, 893880, 1027962, 1142180, 1370616, 1581480, 1713270, 2055924, 2284360, 2569905, 3426540, 4111848, 5139810, 6853080, 10279620, 20559240]

約数ペア:

[(1, 20559240), (2, 10279620), (3, 6853080), (4, 5139810), (5, 4111848), (6, 3426540), (8, 2569905), (9, 2284360), (10, 2055924), (12, 1713270), (13, 1581480), (15, 1370616), (18, 1142180), (20, 1027962), (23, 893880), (24, 856635), (26, 790740), (30, 685308), (36, 571090), (39, 527160), (40, 513981), (45, 456872), (46, 446940), (52, 395370), (60, 342654), (65, 316296), (69, 297960), (72, 285545), (78, 263580), (90, 228436), (92, 223470), (104, 197685), (115, 178776), (117, 175720), (120, 171327), (130, 158148), (138, 148980), (156, 131790), (180, 114218), (184, 111735), (191, 107640), (195, 105432), (207, 99320), (230, 89388), (234, 87860), (260, 79074), (276, 74490), (299, 68760), (312, 65895), (345, 59592), (360, 57109), (382, 53820), (390, 52716), (414, 49660), (460, 44694), (468, 43930), (520, 39537), (552, 37245), (573, 35880), (585, 35144), (598, 34380), (690, 29796), (764, 26910), (780, 26358), (828, 24830), (897, 22920), (920, 22347), (936, 21965), (955, 21528), (1035, 19864), (1146, 17940), (1170, 17572), (1196, 17190), (1380, 14898), (1495, 13752), (1528, 13455), (1560, 13179), (1656, 12415), (1719, 11960), (1794, 11460), (1910, 10764), (2070, 9932), (2292, 8970), (2340, 8786), (2392, 8595), (2483, 8280), (2691, 7640), (2760, 7449), (2865, 7176), (2990, 6876), (3438, 5980), (3588, 5730), (3820, 5382), (4140, 4966), (4393, 4680), (4485, 4584)]