20822490

素因数分解:

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

素因数の和:113

約数の個数: 108

約数和(自身を含む): 60250554

約数和(自身を除く): 39428064

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, 169, 185, 195, 222, 234, 333, 338, 370, 390, 481, 507, 555, 585, 666, 845, 962, 1014, 1110, 1170, 1369, 1443, 1521, 1665, 1690, 2405, 2535, 2738, 2886, 3042, 3330, 4107, 4329, 4810, 5070, 6253, 6845, 7215, 7605, 8214, 8658, 12321, 12506, 13690, 14430, 15210, 17797, 18759, 20535, 21645, 24642, 31265, 35594, 37518, 41070, 43290, 53391, 56277, 61605, 62530, 88985, 93795, 106782, 112554, 123210, 160173, 177970, 187590, 231361, 266955, 281385, 320346, 462722, 533910, 562770, 694083, 800865, 1156805, 1388166, 1601730, 2082249, 2313610, 3470415, 4164498, 6940830, 10411245, 20822490]

約数ペア:

[(1, 20822490), (2, 10411245), (3, 6940830), (5, 4164498), (6, 3470415), (9, 2313610), (10, 2082249), (13, 1601730), (15, 1388166), (18, 1156805), (26, 800865), (30, 694083), (37, 562770), (39, 533910), (45, 462722), (65, 320346), (74, 281385), (78, 266955), (90, 231361), (111, 187590), (117, 177970), (130, 160173), (169, 123210), (185, 112554), (195, 106782), (222, 93795), (234, 88985), (333, 62530), (338, 61605), (370, 56277), (390, 53391), (481, 43290), (507, 41070), (555, 37518), (585, 35594), (666, 31265), (845, 24642), (962, 21645), (1014, 20535), (1110, 18759), (1170, 17797), (1369, 15210), (1443, 14430), (1521, 13690), (1665, 12506), (1690, 12321), (2405, 8658), (2535, 8214), (2738, 7605), (2886, 7215), (3042, 6845), (3330, 6253), (4107, 5070), (4329, 4810)]