20329720740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{768319}}^1$

素因数の和:768351

約数の個数: 144

約数和(自身を含む): 73574323200

約数和(自身を除く): 53244602460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 26460, 768319, 1536638, 2304957, 3073276, 3841595, 4609914, 5378233, 6914871, 7683190, 9219828, 10756466, 11524785, 13829742, 15366380, 16134699, 20744613, 21512932, 23049570, 26891165, 27659484, 32269398, 34574355, 37647631, 41489226, 46099140, 48404097, 53782330, 64538796, 69148710, 75295262, 80673495, 82978452, 96808194, 103723065, 107564660, 112942893, 138297420, 145212291, 150590524, 161346990, 188238155, 193616388, 207446130, 225885786, 242020485, 290424582, 322693980, 338828679, 376476310, 414892260, 451771572, 484040970, 564714465, 580849164, 677657358, 726061455, 752952620, 968081940, 1016486037, 1129428930, 1355314716, 1452122910, 1694143395, 2032972074, 2258857860, 2904245820, 3388286790, 4065944148, 5082430185, 6776573580, 10164860370, 20329720740]

約数ペア:

[(1, 20329720740), (2, 10164860370), (3, 6776573580), (4, 5082430185), (5, 4065944148), (6, 3388286790), (7, 2904245820), (9, 2258857860), (10, 2032972074), (12, 1694143395), (14, 1452122910), (15, 1355314716), (18, 1129428930), (20, 1016486037), (21, 968081940), (27, 752952620), (28, 726061455), (30, 677657358), (35, 580849164), (36, 564714465), (42, 484040970), (45, 451771572), (49, 414892260), (54, 376476310), (60, 338828679), (63, 322693980), (70, 290424582), (84, 242020485), (90, 225885786), (98, 207446130), (105, 193616388), (108, 188238155), (126, 161346990), (135, 150590524), (140, 145212291), (147, 138297420), (180, 112942893), (189, 107564660), (196, 103723065), (210, 96808194), (245, 82978452), (252, 80673495), (270, 75295262), (294, 69148710), (315, 64538796), (378, 53782330), (420, 48404097), (441, 46099140), (490, 41489226), (540, 37647631), (588, 34574355), (630, 32269398), (735, 27659484), (756, 26891165), (882, 23049570), (945, 21512932), (980, 20744613), (1260, 16134699), (1323, 15366380), (1470, 13829742), (1764, 11524785), (1890, 10756466), (2205, 9219828), (2646, 7683190), (2940, 6914871), (3780, 5378233), (4410, 4609914), (5292, 3841595), (6615, 3073276), (8820, 2304957), (13230, 1536638), (26460, 768319)]