20994150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8233}}^1$

素因数の和:8265

約数の個数: 48

約数和(自身を含む): 55134864

約数和(自身を除く): 34140714

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8233, 16466, 24699, 41165, 49398, 82330, 123495, 139961, 205825, 246990, 279922, 411650, 419883, 617475, 699805, 839766, 1234950, 1399610, 2099415, 3499025, 4198830, 6998050, 10497075, 20994150]

約数ペア:

[(1, 20994150), (2, 10497075), (3, 6998050), (5, 4198830), (6, 3499025), (10, 2099415), (15, 1399610), (17, 1234950), (25, 839766), (30, 699805), (34, 617475), (50, 419883), (51, 411650), (75, 279922), (85, 246990), (102, 205825), (150, 139961), (170, 123495), (255, 82330), (425, 49398), (510, 41165), (850, 24699), (1275, 16466), (2550, 8233)]