20218534140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{323083}}^1$

素因数の和:323251

約数の個数: 96

約数和(自身を含む): 65133734400

約数和(自身を除く): 44915200260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1490, 1788, 2086, 2235, 2980, 3129, 4172, 4470, 5215, 6258, 8940, 10430, 12516, 15645, 20860, 31290, 62580, 323083, 646166, 969249, 1292332, 1615415, 1938498, 2261581, 3230830, 3876996, 4523162, 4846245, 6461660, 6784743, 9046324, 9692490, 11307905, 13569486, 19384980, 22615810, 27138972, 33923715, 45231620, 48139367, 67847430, 96278734, 135694860, 144418101, 192557468, 240696835, 288836202, 336975569, 481393670, 577672404, 673951138, 722090505, 962787340, 1010926707, 1347902276, 1444181010, 1684877845, 2021853414, 2888362020, 3369755690, 4043706828, 5054633535, 6739511380, 10109267070, 20218534140]

約数ペア:

[(1, 20218534140), (2, 10109267070), (3, 6739511380), (4, 5054633535), (5, 4043706828), (6, 3369755690), (7, 2888362020), (10, 2021853414), (12, 1684877845), (14, 1444181010), (15, 1347902276), (20, 1010926707), (21, 962787340), (28, 722090505), (30, 673951138), (35, 577672404), (42, 481393670), (60, 336975569), (70, 288836202), (84, 240696835), (105, 192557468), (140, 144418101), (149, 135694860), (210, 96278734), (298, 67847430), (420, 48139367), (447, 45231620), (596, 33923715), (745, 27138972), (894, 22615810), (1043, 19384980), (1490, 13569486), (1788, 11307905), (2086, 9692490), (2235, 9046324), (2980, 6784743), (3129, 6461660), (4172, 4846245), (4470, 4523162), (5215, 3876996), (6258, 3230830), (8940, 2261581), (10430, 1938498), (12516, 1615415), (15645, 1292332), (20860, 969249), (31290, 646166), (62580, 323083)]