20866707900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{239023}}^1$

素因数の和:239140

約数の個数: 108

約数和(自身を含む): 66080096992

約数和(自身を除く): 45213389092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 97, 100, 150, 180, 194, 225, 291, 300, 388, 450, 485, 582, 873, 900, 970, 1164, 1455, 1746, 1940, 2425, 2910, 3492, 4365, 4850, 5820, 7275, 8730, 9700, 14550, 17460, 21825, 29100, 43650, 87300, 239023, 478046, 717069, 956092, 1195115, 1434138, 2151207, 2390230, 2868276, 3585345, 4302414, 4780460, 5975575, 7170690, 8604828, 10756035, 11951150, 14341380, 17926725, 21512070, 23185231, 23902300, 35853450, 43024140, 46370462, 53780175, 69555693, 71706900, 92740924, 107560350, 115926155, 139111386, 208667079, 215120700, 231852310, 278222772, 347778465, 417334158, 463704620, 579630775, 695556930, 834668316, 1043335395, 1159261550, 1391113860, 1738892325, 2086670790, 2318523100, 3477784650, 4173341580, 5216676975, 6955569300, 10433353950, 20866707900]

約数ペア:

[(1, 20866707900), (2, 10433353950), (3, 6955569300), (4, 5216676975), (5, 4173341580), (6, 3477784650), (9, 2318523100), (10, 2086670790), (12, 1738892325), (15, 1391113860), (18, 1159261550), (20, 1043335395), (25, 834668316), (30, 695556930), (36, 579630775), (45, 463704620), (50, 417334158), (60, 347778465), (75, 278222772), (90, 231852310), (97, 215120700), (100, 208667079), (150, 139111386), (180, 115926155), (194, 107560350), (225, 92740924), (291, 71706900), (300, 69555693), (388, 53780175), (450, 46370462), (485, 43024140), (582, 35853450), (873, 23902300), (900, 23185231), (970, 21512070), (1164, 17926725), (1455, 14341380), (1746, 11951150), (1940, 10756035), (2425, 8604828), (2910, 7170690), (3492, 5975575), (4365, 4780460), (4850, 4302414), (5820, 3585345), (7275, 2868276), (8730, 2390230), (9700, 2151207), (14550, 1434138), (17460, 1195115), (21825, 956092), (29100, 717069), (43650, 478046), (87300, 239023)]