20218150380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{25357}}^1$

素因数の和:25603

約数の個数: 96

約数和(自身を含む): 57614187456

約数和(自身を除く): 37396037076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 137, 194, 274, 291, 388, 411, 485, 548, 582, 685, 822, 970, 1164, 1370, 1455, 1644, 1940, 2055, 2740, 2910, 4110, 5820, 8220, 13289, 25357, 26578, 39867, 50714, 53156, 66445, 76071, 79734, 101428, 126785, 132890, 152142, 159468, 199335, 253570, 265780, 304284, 380355, 398670, 507140, 760710, 797340, 1521420, 2459629, 3473909, 4919258, 6947818, 7378887, 9838516, 10421727, 12298145, 13895636, 14757774, 17369545, 20843454, 24596290, 29515548, 34739090, 36894435, 41686908, 49192580, 52108635, 69478180, 73788870, 104217270, 147577740, 208434540, 336969173, 673938346, 1010907519, 1347876692, 1684845865, 2021815038, 3369691730, 4043630076, 5054537595, 6739383460, 10109075190, 20218150380]

約数ペア:

[(1, 20218150380), (2, 10109075190), (3, 6739383460), (4, 5054537595), (5, 4043630076), (6, 3369691730), (10, 2021815038), (12, 1684845865), (15, 1347876692), (20, 1010907519), (30, 673938346), (60, 336969173), (97, 208434540), (137, 147577740), (194, 104217270), (274, 73788870), (291, 69478180), (388, 52108635), (411, 49192580), (485, 41686908), (548, 36894435), (582, 34739090), (685, 29515548), (822, 24596290), (970, 20843454), (1164, 17369545), (1370, 14757774), (1455, 13895636), (1644, 12298145), (1940, 10421727), (2055, 9838516), (2740, 7378887), (2910, 6947818), (4110, 4919258), (5820, 3473909), (8220, 2459629), (13289, 1521420), (25357, 797340), (26578, 760710), (39867, 507140), (50714, 398670), (53156, 380355), (66445, 304284), (76071, 265780), (79734, 253570), (101428, 199335), (126785, 159468), (132890, 152142)]