20679392370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{39659}}^1$

素因数の和:39880

約数の個数: 128

約数和(自身を含む): 61405102080

約数和(自身を除く): 40725709710

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 191, 195, 210, 273, 382, 390, 455, 546, 573, 910, 955, 1146, 1337, 1365, 1910, 2483, 2674, 2730, 2865, 4011, 4966, 5730, 6685, 7449, 8022, 12415, 13370, 14898, 17381, 20055, 24830, 34762, 37245, 39659, 40110, 52143, 74490, 79318, 86905, 104286, 118977, 173810, 198295, 237954, 260715, 277613, 396590, 515567, 521430, 555226, 594885, 832839, 1031134, 1189770, 1388065, 1546701, 1665678, 2577835, 2776130, 3093402, 3608969, 4164195, 5155670, 7217938, 7574869, 7733505, 8328390, 10826907, 15149738, 15467010, 18044845, 21653814, 22724607, 36089690, 37874345, 45449214, 53024083, 54134535, 75748690, 98473297, 106048166, 108269070, 113623035, 159072249, 196946594, 227246070, 265120415, 295419891, 318144498, 492366485, 530240830, 590839782, 689313079, 795361245, 984732970, 1378626158, 1477099455, 1590722490, 2067939237, 2954198910, 3446565395, 4135878474, 6893130790, 10339696185, 20679392370]

約数ペア:

[(1, 20679392370), (2, 10339696185), (3, 6893130790), (5, 4135878474), (6, 3446565395), (7, 2954198910), (10, 2067939237), (13, 1590722490), (14, 1477099455), (15, 1378626158), (21, 984732970), (26, 795361245), (30, 689313079), (35, 590839782), (39, 530240830), (42, 492366485), (65, 318144498), (70, 295419891), (78, 265120415), (91, 227246070), (105, 196946594), (130, 159072249), (182, 113623035), (191, 108269070), (195, 106048166), (210, 98473297), (273, 75748690), (382, 54134535), (390, 53024083), (455, 45449214), (546, 37874345), (573, 36089690), (910, 22724607), (955, 21653814), (1146, 18044845), (1337, 15467010), (1365, 15149738), (1910, 10826907), (2483, 8328390), (2674, 7733505), (2730, 7574869), (2865, 7217938), (4011, 5155670), (4966, 4164195), (5730, 3608969), (6685, 3093402), (7449, 2776130), (8022, 2577835), (12415, 1665678), (13370, 1546701), (14898, 1388065), (17381, 1189770), (20055, 1031134), (24830, 832839), (34762, 594885), (37245, 555226), (39659, 521430), (40110, 515567), (52143, 396590), (74490, 277613), (79318, 260715), (86905, 237954), (104286, 198295), (118977, 173810)]