20412444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35471076

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 43, 51, 52, 68, 78, 86, 102, 129, 156, 172, 179, 204, 221, 258, 358, 442, 516, 537, 559, 663, 716, 731, 884, 1074, 1118, 1326, 1462, 1677, 2148, 2193, 2236, 2327, 2652, 2924, 3043, 3354, 4386, 4654, 6086, 6708, 6981, 7697, 8772, 9129, 9308, 9503, 12172, 13962, 15394, 18258, 19006, 23091, 27924, 28509, 30788, 36516, 38012, 39559, 46182, 57018, 79118, 92364, 100061, 114036, 118677, 130849, 158236, 200122, 237354, 261698, 300183, 392547, 400244, 474708, 523396, 600366, 785094, 1200732, 1570188, 1701037, 3402074, 5103111, 6804148, 10206222, 20412444]

約数ペア:

[(1, 20412444), (2, 10206222), (3, 6804148), (4, 5103111), (6, 3402074), (12, 1701037), (13, 1570188), (17, 1200732), (26, 785094), (34, 600366), (39, 523396), (43, 474708), (51, 400244), (52, 392547), (68, 300183), (78, 261698), (86, 237354), (102, 200122), (129, 158236), (156, 130849), (172, 118677), (179, 114036), (204, 100061), (221, 92364), (258, 79118), (358, 57018), (442, 46182), (516, 39559), (537, 38012), (559, 36516), (663, 30788), (716, 28509), (731, 27924), (884, 23091), (1074, 19006), (1118, 18258), (1326, 15394), (1462, 13962), (1677, 12172), (2148, 9503), (2193, 9308), (2236, 9129), (2327, 8772), (2652, 7697), (2924, 6981), (3043, 6708), (3354, 6086), (4386, 4654)]