20143620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^2$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 72616320

約数和(自身を除く): 52472700

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, 54, 60, 63, 70, 73, 84, 90, 105, 108, 126, 135, 140, 146, 180, 189, 210, 219, 252, 270, 292, 315, 365, 378, 420, 438, 511, 540, 630, 657, 730, 756, 876, 945, 1022, 1095, 1260, 1314, 1460, 1533, 1890, 1971, 2044, 2190, 2555, 2628, 3066, 3285, 3780, 3942, 4380, 4599, 5110, 5329, 6132, 6570, 7665, 7884, 9198, 9855, 10220, 10658, 13140, 13797, 15330, 15987, 18396, 19710, 21316, 22995, 26645, 27594, 30660, 31974, 37303, 39420, 45990, 47961, 53290, 55188, 63948, 68985, 74606, 79935, 91980, 95922, 106580, 111909, 137970, 143883, 149212, 159870, 186515, 191844, 223818, 239805, 275940, 287766, 319740, 335727, 373030, 447636, 479610, 559545, 575532, 671454, 719415, 746060, 959220, 1007181, 1119090, 1342908, 1438830, 1678635, 2014362, 2238180, 2877660, 3357270, 4028724, 5035905, 6714540, 10071810, 20143620]

約数ペア:

[(1, 20143620), (2, 10071810), (3, 6714540), (4, 5035905), (5, 4028724), (6, 3357270), (7, 2877660), (9, 2238180), (10, 2014362), (12, 1678635), (14, 1438830), (15, 1342908), (18, 1119090), (20, 1007181), (21, 959220), (27, 746060), (28, 719415), (30, 671454), (35, 575532), (36, 559545), (42, 479610), (45, 447636), (54, 373030), (60, 335727), (63, 319740), (70, 287766), (73, 275940), (84, 239805), (90, 223818), (105, 191844), (108, 186515), (126, 159870), (135, 149212), (140, 143883), (146, 137970), (180, 111909), (189, 106580), (210, 95922), (219, 91980), (252, 79935), (270, 74606), (292, 68985), (315, 63948), (365, 55188), (378, 53290), (420, 47961), (438, 45990), (511, 39420), (540, 37303), (630, 31974), (657, 30660), (730, 27594), (756, 26645), (876, 22995), (945, 21316), (1022, 19710), (1095, 18396), (1260, 15987), (1314, 15330), (1460, 13797), (1533, 13140), (1890, 10658), (1971, 10220), (2044, 9855), (2190, 9198), (2555, 7884), (2628, 7665), (3066, 6570), (3285, 6132), (3780, 5329), (3942, 5110), (4380, 4599)]