20244976700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1192

約数の個数: 144

約数和(自身を含む): 48116961984

約数和(自身を除く): 27871985284

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 181, 194, 260, 325, 362, 388, 485, 650, 724, 887, 905, 970, 1261, 1300, 1774, 1810, 1940, 2353, 2425, 2522, 3548, 3620, 4435, 4525, 4706, 4850, 5044, 6305, 8870, 9050, 9412, 9700, 11531, 11765, 12610, 17557, 17740, 18100, 22175, 23062, 23530, 25220, 31525, 35114, 44350, 46124, 47060, 57655, 58825, 63050, 70228, 86039, 87785, 88700, 115310, 117650, 126100, 160547, 172078, 175570, 228241, 230620, 235300, 288275, 321094, 344156, 351140, 430195, 438925, 456482, 576550, 642188, 802735, 860390, 877850, 912964, 1118507, 1141205, 1153100, 1605470, 1720780, 1755700, 2087111, 2150975, 2237014, 2282410, 3210940, 4013675, 4174222, 4301950, 4474028, 4564820, 5592535, 5706025, 8027350, 8348444, 8603900, 10435555, 11185070, 11412050, 15573059, 16054700, 20871110, 22370140, 22824100, 27962675, 31146118, 41742220, 52177775, 55925350, 62292236, 77865295, 104355550, 111850700, 155730590, 202449767, 208711100, 311461180, 389326475, 404899534, 778652950, 809799068, 1012248835, 1557305900, 2024497670, 4048995340, 5061244175, 10122488350, 20244976700]

約数ペア:

[(1, 20244976700), (2, 10122488350), (4, 5061244175), (5, 4048995340), (10, 2024497670), (13, 1557305900), (20, 1012248835), (25, 809799068), (26, 778652950), (50, 404899534), (52, 389326475), (65, 311461180), (97, 208711100), (100, 202449767), (130, 155730590), (181, 111850700), (194, 104355550), (260, 77865295), (325, 62292236), (362, 55925350), (388, 52177775), (485, 41742220), (650, 31146118), (724, 27962675), (887, 22824100), (905, 22370140), (970, 20871110), (1261, 16054700), (1300, 15573059), (1774, 11412050), (1810, 11185070), (1940, 10435555), (2353, 8603900), (2425, 8348444), (2522, 8027350), (3548, 5706025), (3620, 5592535), (4435, 4564820), (4525, 4474028), (4706, 4301950), (4850, 4174222), (5044, 4013675), (6305, 3210940), (8870, 2282410), (9050, 2237014), (9412, 2150975), (9700, 2087111), (11531, 1755700), (11765, 1720780), (12610, 1605470), (17557, 1153100), (17740, 1141205), (18100, 1118507), (22175, 912964), (23062, 877850), (23530, 860390), (25220, 802735), (31525, 642188), (35114, 576550), (44350, 456482), (46124, 438925), (47060, 430195), (57655, 351140), (58825, 344156), (63050, 321094), (70228, 288275), (86039, 235300), (87785, 230620), (88700, 228241), (115310, 175570), (117650, 172078), (126100, 160547)]