22270820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 55339200

約数和(自身を除く): 33068380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 599, 676, 715, 845, 1198, 1430, 1690, 1859, 2396, 2860, 2995, 3380, 3718, 5990, 6589, 7436, 7787, 9295, 11980, 13178, 15574, 18590, 26356, 31148, 32945, 37180, 38935, 65890, 77870, 85657, 101231, 131780, 155740, 171314, 202462, 342628, 404924, 428285, 506155, 856570, 1012310, 1113541, 1713140, 2024620, 2227082, 4454164, 5567705, 11135410, 22270820]

約数ペア:

[(1, 22270820), (2, 11135410), (4, 5567705), (5, 4454164), (10, 2227082), (11, 2024620), (13, 1713140), (20, 1113541), (22, 1012310), (26, 856570), (44, 506155), (52, 428285), (55, 404924), (65, 342628), (110, 202462), (130, 171314), (143, 155740), (169, 131780), (220, 101231), (260, 85657), (286, 77870), (338, 65890), (572, 38935), (599, 37180), (676, 32945), (715, 31148), (845, 26356), (1198, 18590), (1430, 15574), (1690, 13178), (1859, 11980), (2396, 9295), (2860, 7787), (2995, 7436), (3380, 6589), (3718, 5990)]