20373795

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 42163200

約数和(自身を除く): 21789405

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 47, 57, 65, 95, 117, 135, 141, 169, 171, 195, 235, 247, 285, 351, 423, 507, 513, 585, 611, 705, 741, 845, 855, 893, 1235, 1269, 1521, 1755, 1833, 2115, 2223, 2535, 2565, 2679, 3055, 3211, 3705, 4465, 4563, 5499, 6345, 6669, 7605, 7943, 8037, 9165, 9633, 11115, 11609, 13395, 16055, 16497, 22815, 23829, 24111, 27495, 28899, 33345, 34827, 39715, 40185, 48165, 58045, 71487, 82485, 86697, 104481, 119145, 120555, 144495, 150917, 174135, 214461, 313443, 357435, 433485, 452751, 522405, 754585, 1072305, 1358253, 1567215, 2263755, 4074759, 6791265, 20373795]

約数ペア:

[(1, 20373795), (3, 6791265), (5, 4074759), (9, 2263755), (13, 1567215), (15, 1358253), (19, 1072305), (27, 754585), (39, 522405), (45, 452751), (47, 433485), (57, 357435), (65, 313443), (95, 214461), (117, 174135), (135, 150917), (141, 144495), (169, 120555), (171, 119145), (195, 104481), (235, 86697), (247, 82485), (285, 71487), (351, 58045), (423, 48165), (507, 40185), (513, 39715), (585, 34827), (611, 33345), (705, 28899), (741, 27495), (845, 24111), (855, 23829), (893, 22815), (1235, 16497), (1269, 16055), (1521, 13395), (1755, 11609), (1833, 11115), (2115, 9633), (2223, 9165), (2535, 8037), (2565, 7943), (2679, 7605), (3055, 6669), (3211, 6345), (3705, 5499), (4465, 4563)]