20683572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 62963712

約数和(自身を除く): 42280140

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 47, 52, 62, 78, 84, 91, 93, 94, 124, 141, 156, 169, 182, 186, 188, 217, 273, 282, 329, 338, 364, 372, 403, 434, 507, 546, 564, 611, 651, 658, 676, 806, 868, 987, 1014, 1092, 1183, 1209, 1222, 1302, 1316, 1457, 1612, 1833, 1974, 2028, 2366, 2418, 2444, 2604, 2821, 2914, 3549, 3666, 3948, 4277, 4371, 4732, 4836, 5239, 5642, 5828, 7098, 7332, 7943, 8463, 8554, 8742, 10199, 10478, 11284, 12831, 14196, 15717, 15886, 16926, 17108, 17484, 18941, 20398, 20956, 23829, 25662, 30597, 31434, 31772, 33852, 36673, 37882, 40796, 47658, 51324, 55601, 56823, 61194, 62868, 73346, 75764, 95316, 110019, 111202, 113646, 122388, 132587, 146692, 166803, 220038, 222404, 227292, 246233, 265174, 333606, 397761, 440076, 492466, 530348, 667212, 738699, 795522, 984932, 1477398, 1591044, 1723631, 2954796, 3447262, 5170893, 6894524, 10341786, 20683572]

約数ペア:

[(1, 20683572), (2, 10341786), (3, 6894524), (4, 5170893), (6, 3447262), (7, 2954796), (12, 1723631), (13, 1591044), (14, 1477398), (21, 984932), (26, 795522), (28, 738699), (31, 667212), (39, 530348), (42, 492466), (47, 440076), (52, 397761), (62, 333606), (78, 265174), (84, 246233), (91, 227292), (93, 222404), (94, 220038), (124, 166803), (141, 146692), (156, 132587), (169, 122388), (182, 113646), (186, 111202), (188, 110019), (217, 95316), (273, 75764), (282, 73346), (329, 62868), (338, 61194), (364, 56823), (372, 55601), (403, 51324), (434, 47658), (507, 40796), (546, 37882), (564, 36673), (611, 33852), (651, 31772), (658, 31434), (676, 30597), (806, 25662), (868, 23829), (987, 20956), (1014, 20398), (1092, 18941), (1183, 17484), (1209, 17108), (1222, 16926), (1302, 15886), (1316, 15717), (1457, 14196), (1612, 12831), (1833, 11284), (1974, 10478), (2028, 10199), (2366, 8742), (2418, 8554), (2444, 8463), (2604, 7943), (2821, 7332), (2914, 7098), (3549, 5828), (3666, 5642), (3948, 5239), (4277, 4836), (4371, 4732)]