20168883650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1063}}^1\times {\mathrm{12241}}^1$

素因数の和:13347

約数の個数: 48

約数和(自身を含む): 38763852288

約数和(自身を除く): 18594968638

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1063, 1550, 2126, 5315, 10630, 12241, 24482, 26575, 32953, 53150, 61205, 65906, 122410, 164765, 306025, 329530, 379471, 612050, 758942, 823825, 1647650, 1897355, 3794710, 9486775, 13012183, 18973550, 26024366, 65060915, 130121830, 325304575, 403377673, 650609150, 806755346, 2016888365, 4033776730, 10084441825, 20168883650]

約数ペア:

[(1, 20168883650), (2, 10084441825), (5, 4033776730), (10, 2016888365), (25, 806755346), (31, 650609150), (50, 403377673), (62, 325304575), (155, 130121830), (310, 65060915), (775, 26024366), (1063, 18973550), (1550, 13012183), (2126, 9486775), (5315, 3794710), (10630, 1897355), (12241, 1647650), (24482, 823825), (26575, 758942), (32953, 612050), (53150, 379471), (61205, 329530), (65906, 306025), (122410, 164765)]