20446650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6491}}^1$

素因数の和:6516

約数の個数: 72

約数和(自身を含む): 62790624

約数和(自身を除く): 42343974

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6491, 12982, 19473, 32455, 38946, 45437, 58419, 64910, 90874, 97365, 116838, 136311, 162275, 194730, 227185, 272622, 292095, 324550, 408933, 454370, 486825, 584190, 681555, 817866, 973650, 1135925, 1363110, 1460475, 2044665, 2271850, 2920950, 3407775, 4089330, 6815550, 10223325, 20446650]

約数ペア:

[(1, 20446650), (2, 10223325), (3, 6815550), (5, 4089330), (6, 3407775), (7, 2920950), (9, 2271850), (10, 2044665), (14, 1460475), (15, 1363110), (18, 1135925), (21, 973650), (25, 817866), (30, 681555), (35, 584190), (42, 486825), (45, 454370), (50, 408933), (63, 324550), (70, 292095), (75, 272622), (90, 227185), (105, 194730), (126, 162275), (150, 136311), (175, 116838), (210, 97365), (225, 90874), (315, 64910), (350, 58419), (450, 45437), (525, 38946), (630, 32455), (1050, 19473), (1575, 12982), (3150, 6491)]