20055308

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 46654272

約数和(自身を除く): 26598964

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 463, 476, 637, 833, 884, 926, 1274, 1547, 1666, 1852, 2548, 3094, 3241, 3332, 6019, 6188, 6482, 7871, 10829, 12038, 12964, 15742, 21658, 22687, 24076, 31484, 42133, 43316, 45374, 55097, 84266, 90748, 102323, 110194, 168532, 204646, 220388, 294931, 385679, 409292, 589862, 716261, 771358, 1179724, 1432522, 1542716, 2865044, 5013827, 10027654, 20055308]

約数ペア:

[(1, 20055308), (2, 10027654), (4, 5013827), (7, 2865044), (13, 1542716), (14, 1432522), (17, 1179724), (26, 771358), (28, 716261), (34, 589862), (49, 409292), (52, 385679), (68, 294931), (91, 220388), (98, 204646), (119, 168532), (182, 110194), (196, 102323), (221, 90748), (238, 84266), (364, 55097), (442, 45374), (463, 43316), (476, 42133), (637, 31484), (833, 24076), (884, 22687), (926, 21658), (1274, 15742), (1547, 12964), (1666, 12038), (1852, 10829), (2548, 7871), (3094, 6482), (3241, 6188), (3332, 6019)]