20009454990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{161771}}^1$

素因数の和:161838

約数の個数: 128

約数和(自身を含む): 59635630080

約数和(自身を除く): 39626175090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 266, 285, 310, 399, 434, 465, 570, 589, 651, 665, 798, 930, 1085, 1178, 1302, 1330, 1767, 1995, 2170, 2945, 3255, 3534, 3990, 4123, 5890, 6510, 8246, 8835, 12369, 17670, 20615, 24738, 41230, 61845, 123690, 161771, 323542, 485313, 808855, 970626, 1132397, 1617710, 2264794, 2426565, 3073649, 3397191, 4853130, 5014901, 5661985, 6147298, 6794382, 9220947, 10029802, 11323970, 15044703, 15368245, 16985955, 18441894, 21515543, 25074505, 30089406, 30736490, 33971910, 35104307, 43031086, 46104735, 50149010, 64546629, 70208614, 75223515, 92209470, 95283119, 105312921, 107577715, 129093258, 150447030, 175521535, 190566238, 210625842, 215155430, 285849357, 322733145, 351043070, 476415595, 526564605, 571698714, 645466290, 666981833, 952831190, 1053129210, 1333963666, 1429246785, 2000945499, 2858493570, 3334909165, 4001890998, 6669818330, 10004727495, 20009454990]

約数ペア:

[(1, 20009454990), (2, 10004727495), (3, 6669818330), (5, 4001890998), (6, 3334909165), (7, 2858493570), (10, 2000945499), (14, 1429246785), (15, 1333963666), (19, 1053129210), (21, 952831190), (30, 666981833), (31, 645466290), (35, 571698714), (38, 526564605), (42, 476415595), (57, 351043070), (62, 322733145), (70, 285849357), (93, 215155430), (95, 210625842), (105, 190566238), (114, 175521535), (133, 150447030), (155, 129093258), (186, 107577715), (190, 105312921), (210, 95283119), (217, 92209470), (266, 75223515), (285, 70208614), (310, 64546629), (399, 50149010), (434, 46104735), (465, 43031086), (570, 35104307), (589, 33971910), (651, 30736490), (665, 30089406), (798, 25074505), (930, 21515543), (1085, 18441894), (1178, 16985955), (1302, 15368245), (1330, 15044703), (1767, 11323970), (1995, 10029802), (2170, 9220947), (2945, 6794382), (3255, 6147298), (3534, 5661985), (3990, 5014901), (4123, 4853130), (5890, 3397191), (6510, 3073649), (8246, 2426565), (8835, 2264794), (12369, 1617710), (17670, 1132397), (20615, 970626), (24738, 808855), (41230, 485313), (61845, 323542), (123690, 161771)]