20892375

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 72

約数和(自身を含む): 43926480

約数和(自身を除く): 23034105

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 147, 175, 225, 245, 315, 375, 379, 441, 525, 735, 875, 1125, 1137, 1225, 1575, 1895, 2205, 2625, 2653, 3411, 3675, 5685, 6125, 7875, 7959, 9475, 11025, 13265, 17055, 18375, 18571, 23877, 28425, 39795, 47375, 55125, 55713, 66325, 85275, 92855, 119385, 142125, 167139, 198975, 278565, 331625, 426375, 464275, 596925, 835695, 994875, 1392825, 2321375, 2984625, 4178475, 6964125, 20892375]

約数ペア:

[(1, 20892375), (3, 6964125), (5, 4178475), (7, 2984625), (9, 2321375), (15, 1392825), (21, 994875), (25, 835695), (35, 596925), (45, 464275), (49, 426375), (63, 331625), (75, 278565), (105, 198975), (125, 167139), (147, 142125), (175, 119385), (225, 92855), (245, 85275), (315, 66325), (375, 55713), (379, 55125), (441, 47375), (525, 39795), (735, 28425), (875, 23877), (1125, 18571), (1137, 18375), (1225, 17055), (1575, 13265), (1895, 11025), (2205, 9475), (2625, 7959), (2653, 7875), (3411, 6125), (3675, 5685)]