20618850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 59460480

約数和(自身を除く): 38841630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 73, 75, 105, 146, 150, 175, 210, 219, 269, 350, 365, 438, 511, 525, 538, 730, 807, 1022, 1050, 1095, 1345, 1533, 1614, 1825, 1883, 2190, 2555, 2690, 3066, 3650, 3766, 4035, 5110, 5475, 5649, 6725, 7665, 8070, 9415, 10950, 11298, 12775, 13450, 15330, 18830, 19637, 20175, 25550, 28245, 38325, 39274, 40350, 47075, 56490, 58911, 76650, 94150, 98185, 117822, 137459, 141225, 196370, 274918, 282450, 294555, 412377, 490925, 589110, 687295, 824754, 981850, 1374590, 1472775, 2061885, 2945550, 3436475, 4123770, 6872950, 10309425, 20618850]

約数ペア:

[(1, 20618850), (2, 10309425), (3, 6872950), (5, 4123770), (6, 3436475), (7, 2945550), (10, 2061885), (14, 1472775), (15, 1374590), (21, 981850), (25, 824754), (30, 687295), (35, 589110), (42, 490925), (50, 412377), (70, 294555), (73, 282450), (75, 274918), (105, 196370), (146, 141225), (150, 137459), (175, 117822), (210, 98185), (219, 94150), (269, 76650), (350, 58911), (365, 56490), (438, 47075), (511, 40350), (525, 39274), (538, 38325), (730, 28245), (807, 25550), (1022, 20175), (1050, 19637), (1095, 18830), (1345, 15330), (1533, 13450), (1614, 12775), (1825, 11298), (1883, 10950), (2190, 9415), (2555, 8070), (2690, 7665), (3066, 6725), (3650, 5649), (3766, 5475), (4035, 5110)]