20811228540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{64579}}^1$

素因数の和:64763

約数の個数: 96

約数和(自身を含む): 60149295360

約数和(自身を除く): 39338066820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 131, 164, 205, 246, 262, 393, 410, 492, 524, 615, 655, 786, 820, 1230, 1310, 1572, 1965, 2460, 2620, 3930, 5371, 7860, 10742, 16113, 21484, 26855, 32226, 53710, 64452, 64579, 80565, 107420, 129158, 161130, 193737, 258316, 322260, 322895, 387474, 645790, 774948, 968685, 1291580, 1937370, 2647739, 3874740, 5295478, 7943217, 8459849, 10590956, 13238695, 15886434, 16919698, 25379547, 26477390, 31772868, 33839396, 39716085, 42299245, 50759094, 52954780, 79432170, 84598490, 101518188, 126897735, 158864340, 169196980, 253795470, 346853809, 507590940, 693707618, 1040561427, 1387415236, 1734269045, 2081122854, 3468538090, 4162245708, 5202807135, 6937076180, 10405614270, 20811228540]

約数ペア:

[(1, 20811228540), (2, 10405614270), (3, 6937076180), (4, 5202807135), (5, 4162245708), (6, 3468538090), (10, 2081122854), (12, 1734269045), (15, 1387415236), (20, 1040561427), (30, 693707618), (41, 507590940), (60, 346853809), (82, 253795470), (123, 169196980), (131, 158864340), (164, 126897735), (205, 101518188), (246, 84598490), (262, 79432170), (393, 52954780), (410, 50759094), (492, 42299245), (524, 39716085), (615, 33839396), (655, 31772868), (786, 26477390), (820, 25379547), (1230, 16919698), (1310, 15886434), (1572, 13238695), (1965, 10590956), (2460, 8459849), (2620, 7943217), (3930, 5295478), (5371, 3874740), (7860, 2647739), (10742, 1937370), (16113, 1291580), (21484, 968685), (26855, 774948), (32226, 645790), (53710, 387474), (64452, 322895), (64579, 322260), (80565, 258316), (107420, 193737), (129158, 161130)]