20469852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 56259840

約数和(自身を除く): 35789988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 191, 229, 234, 382, 458, 468, 573, 687, 764, 916, 1146, 1374, 1719, 2061, 2292, 2483, 2748, 2977, 3438, 4122, 4966, 5954, 6876, 7449, 8244, 8931, 9932, 11908, 14898, 17862, 22347, 26793, 29796, 35724, 43739, 44694, 53586, 87478, 89388, 107172, 131217, 174956, 262434, 393651, 524868, 568607, 787302, 1137214, 1574604, 1705821, 2274428, 3411642, 5117463, 6823284, 10234926, 20469852]

約数ペア:

[(1, 20469852), (2, 10234926), (3, 6823284), (4, 5117463), (6, 3411642), (9, 2274428), (12, 1705821), (13, 1574604), (18, 1137214), (26, 787302), (36, 568607), (39, 524868), (52, 393651), (78, 262434), (117, 174956), (156, 131217), (191, 107172), (229, 89388), (234, 87478), (382, 53586), (458, 44694), (468, 43739), (573, 35724), (687, 29796), (764, 26793), (916, 22347), (1146, 17862), (1374, 14898), (1719, 11908), (2061, 9932), (2292, 8931), (2483, 8244), (2748, 7449), (2977, 6876), (3438, 5954), (4122, 4966)]