20391930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 59164560

約数和(自身を除く): 38772630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 601, 754, 870, 1131, 1170, 1202, 1305, 1803, 1885, 2262, 2610, 3005, 3393, 3606, 3770, 5409, 5655, 6010, 6786, 7813, 9015, 10818, 11310, 15626, 16965, 17429, 18030, 23439, 27045, 33930, 34858, 39065, 46878, 52287, 54090, 70317, 78130, 87145, 104574, 117195, 140634, 156861, 174290, 226577, 234390, 261435, 313722, 351585, 453154, 522870, 679731, 703170, 784305, 1132885, 1359462, 1568610, 2039193, 2265770, 3398655, 4078386, 6797310, 10195965, 20391930]

約数ペア:

[(1, 20391930), (2, 10195965), (3, 6797310), (5, 4078386), (6, 3398655), (9, 2265770), (10, 2039193), (13, 1568610), (15, 1359462), (18, 1132885), (26, 784305), (29, 703170), (30, 679731), (39, 522870), (45, 453154), (58, 351585), (65, 313722), (78, 261435), (87, 234390), (90, 226577), (117, 174290), (130, 156861), (145, 140634), (174, 117195), (195, 104574), (234, 87145), (261, 78130), (290, 70317), (377, 54090), (390, 52287), (435, 46878), (522, 39065), (585, 34858), (601, 33930), (754, 27045), (870, 23439), (1131, 18030), (1170, 17429), (1202, 16965), (1305, 15626), (1803, 11310), (1885, 10818), (2262, 9015), (2610, 7813), (3005, 6786), (3393, 6010), (3606, 5655), (3770, 5409)]