20657960253

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1\times {\mathrm{4729}}^1$

素因数の和:5571

約数の個数: 64

約数和(自身を含む): 36235584000

約数和(自身を除く): 15577623747

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 797, 1827, 2391, 4729, 5481, 5579, 7173, 14187, 16737, 21519, 23113, 33103, 42561, 50211, 69339, 99309, 127683, 137141, 150633, 161791, 208017, 297927, 411423, 485373, 624051, 893781, 959987, 1234269, 1456119, 2879961, 3702807, 3769013, 4368357, 8639883, 11307039, 25919649, 26383091, 33921117, 79149273, 101763351, 109301377, 237447819, 327904131, 712343457, 765109639, 983712393, 2295328917, 2951137179, 6885986751, 20657960253]

約数ペア:

[(1, 20657960253), (3, 6885986751), (7, 2951137179), (9, 2295328917), (21, 983712393), (27, 765109639), (29, 712343457), (63, 327904131), (87, 237447819), (189, 109301377), (203, 101763351), (261, 79149273), (609, 33921117), (783, 26383091), (797, 25919649), (1827, 11307039), (2391, 8639883), (4729, 4368357), (5481, 3769013), (5579, 3702807), (7173, 2879961), (14187, 1456119), (16737, 1234269), (21519, 959987), (23113, 893781), (33103, 624051), (42561, 485373), (50211, 411423), (69339, 297927), (99309, 208017), (127683, 161791), (137141, 150633)]