20735910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 39018330

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 65, 74, 78, 90, 111, 117, 130, 185, 195, 222, 234, 333, 370, 390, 479, 481, 555, 585, 666, 958, 962, 1110, 1170, 1437, 1443, 1665, 2395, 2405, 2874, 2886, 3330, 4311, 4329, 4790, 4810, 6227, 7185, 7215, 8622, 8658, 12454, 14370, 14430, 17723, 18681, 21555, 21645, 31135, 35446, 37362, 43110, 43290, 53169, 56043, 62270, 88615, 93405, 106338, 112086, 159507, 177230, 186810, 230399, 265845, 280215, 319014, 460798, 531690, 560430, 691197, 797535, 1151995, 1382394, 1595070, 2073591, 2303990, 3455985, 4147182, 6911970, 10367955, 20735910]

約数ペア:

[(1, 20735910), (2, 10367955), (3, 6911970), (5, 4147182), (6, 3455985), (9, 2303990), (10, 2073591), (13, 1595070), (15, 1382394), (18, 1151995), (26, 797535), (30, 691197), (37, 560430), (39, 531690), (45, 460798), (65, 319014), (74, 280215), (78, 265845), (90, 230399), (111, 186810), (117, 177230), (130, 159507), (185, 112086), (195, 106338), (222, 93405), (234, 88615), (333, 62270), (370, 56043), (390, 53169), (479, 43290), (481, 43110), (555, 37362), (585, 35446), (666, 31135), (958, 21645), (962, 21555), (1110, 18681), (1170, 17723), (1437, 14430), (1443, 14370), (1665, 12454), (2395, 8658), (2405, 8622), (2874, 7215), (2886, 7185), (3330, 6227), (4311, 4810), (4329, 4790)]