20198984929

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{1229}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 21807959040

約数和(自身を除く): 1608974111

約数列:

[1, 31, 41, 67, 193, 1229, 1271, 2077, 2747, 5983, 7913, 12931, 38099, 50389, 82343, 85157, 237197, 245303, 400861, 530171, 1562059, 2552633, 3376063, 7353107, 9725077, 15892199, 16435301, 104657953, 301477387, 492658169, 651580159, 20198984929]

約数ペア:

[(1, 20198984929), (31, 651580159), (41, 492658169), (67, 301477387), (193, 104657953), (1229, 16435301), (1271, 15892199), (2077, 9725077), (2747, 7353107), (5983, 3376063), (7913, 2552633), (12931, 1562059), (38099, 530171), (50389, 400861), (82343, 245303), (85157, 237197)]