20189204485

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{8329}}^1$

素因数の和:8665

約数の個数: 32

約数和(自身を含む): 25519788000

約数和(自身を除く): 5330583515

約数列:

[1, 5, 29, 73, 145, 229, 365, 1145, 2117, 6641, 8329, 10585, 16717, 33205, 41645, 83585, 241541, 484793, 608017, 1207705, 1907341, 2423965, 3040085, 9536705, 17632493, 55312889, 88162465, 139235893, 276564445, 696179465, 4037840897, 20189204485]

約数ペア:

[(1, 20189204485), (5, 4037840897), (29, 696179465), (73, 276564445), (145, 139235893), (229, 88162465), (365, 55312889), (1145, 17632493), (2117, 9536705), (6641, 3040085), (8329, 2423965), (10585, 1907341), (16717, 1207705), (33205, 608017), (41645, 484793), (83585, 241541)]