20176945605

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{1051}}^1$

素因数の和:1451

約数の個数: 96

約数和(自身を含む): 37102440960

約数和(自身を除く): 16925495355

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 313, 423, 435, 705, 939, 1051, 1305, 1363, 1565, 2115, 2817, 3153, 4089, 4695, 5255, 6815, 9077, 9459, 12267, 14085, 14711, 15765, 20445, 27231, 30479, 44133, 45385, 47295, 49397, 61335, 73555, 81693, 91437, 132399, 136155, 148191, 152395, 220665, 246985, 274311, 328963, 408465, 426619, 444573, 457185, 661995, 740955, 986889, 1279857, 1371555, 1432513, 1644815, 2133095, 2222865, 2960667, 3839571, 4297539, 4934445, 6399285, 7162565, 9539927, 12892617, 14803335, 15461261, 19197855, 21487695, 28619781, 46383783, 47699635, 64463085, 77306305, 85859343, 139151349, 143098905, 231918915, 429296715, 448376569, 695756745, 1345129707, 2241882845, 4035389121, 6725648535, 20176945605]

約数ペア:

[(1, 20176945605), (3, 6725648535), (5, 4035389121), (9, 2241882845), (15, 1345129707), (29, 695756745), (45, 448376569), (47, 429296715), (87, 231918915), (141, 143098905), (145, 139151349), (235, 85859343), (261, 77306305), (313, 64463085), (423, 47699635), (435, 46383783), (705, 28619781), (939, 21487695), (1051, 19197855), (1305, 15461261), (1363, 14803335), (1565, 12892617), (2115, 9539927), (2817, 7162565), (3153, 6399285), (4089, 4934445), (4695, 4297539), (5255, 3839571), (6815, 2960667), (9077, 2222865), (9459, 2133095), (12267, 1644815), (14085, 1432513), (14711, 1371555), (15765, 1279857), (20445, 986889), (27231, 740955), (30479, 661995), (44133, 457185), (45385, 444573), (47295, 426619), (49397, 408465), (61335, 328963), (73555, 274311), (81693, 246985), (91437, 220665), (132399, 152395), (136155, 148191)]