20053021725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{8933}}^1$

素因数の和:9867

約数の個数: 72

約数和(自身を含む): 39229980192

約数和(自身を除く): 19176958467

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 907, 2475, 2721, 4535, 8163, 8933, 9977, 13605, 22675, 26799, 29931, 40815, 44665, 49885, 68025, 80397, 89793, 98263, 133995, 149655, 204075, 223325, 249425, 294789, 401985, 448965, 491315, 669975, 748275, 884367, 1473945, 2009925, 2244825, 2456575, 4421835, 7369725, 8102231, 22109175, 24306693, 40511155, 72920079, 89124541, 121533465, 202555775, 267373623, 364600395, 445622705, 607667325, 802120869, 1336868115, 1823001975, 2228113525, 4010604345, 6684340575, 20053021725]

約数ペア:

[(1, 20053021725), (3, 6684340575), (5, 4010604345), (9, 2228113525), (11, 1823001975), (15, 1336868115), (25, 802120869), (33, 607667325), (45, 445622705), (55, 364600395), (75, 267373623), (99, 202555775), (165, 121533465), (225, 89124541), (275, 72920079), (495, 40511155), (825, 24306693), (907, 22109175), (2475, 8102231), (2721, 7369725), (4535, 4421835), (8163, 2456575), (8933, 2244825), (9977, 2009925), (13605, 1473945), (22675, 884367), (26799, 748275), (29931, 669975), (40815, 491315), (44665, 448965), (49885, 401985), (68025, 294789), (80397, 249425), (89793, 223325), (98263, 204075), (133995, 149655)]