20163566787

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 33927952800

約数和(自身を除く): 13764386013

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 349, 617, 637, 1029, 1047, 1851, 1911, 2401, 2443, 4319, 4459, 4537, 7203, 7329, 8021, 12957, 13377, 13611, 17101, 24063, 30233, 31213, 31759, 51303, 56147, 90699, 93639, 95277, 119707, 168441, 211631, 215333, 222313, 359121, 393029, 634893, 645999, 666939, 837949, 1179087, 1481417, 1507331, 1556191, 2513847, 2751203, 2799329, 4444251, 4521993, 4668573, 8253609, 8397987, 10551317, 10893337, 19258421, 19595303, 31653951, 32680011, 57775263, 58785909, 73859219, 137167121, 221577657, 411501363, 517014533, 960169847, 1551043599, 2880509541, 6721188929, 20163566787]

約数ペア:

[(1, 20163566787), (3, 6721188929), (7, 2880509541), (13, 1551043599), (21, 960169847), (39, 517014533), (49, 411501363), (91, 221577657), (147, 137167121), (273, 73859219), (343, 58785909), (349, 57775263), (617, 32680011), (637, 31653951), (1029, 19595303), (1047, 19258421), (1851, 10893337), (1911, 10551317), (2401, 8397987), (2443, 8253609), (4319, 4668573), (4459, 4521993), (4537, 4444251), (7203, 2799329), (7329, 2751203), (8021, 2513847), (12957, 1556191), (13377, 1507331), (13611, 1481417), (17101, 1179087), (24063, 837949), (30233, 666939), (31213, 645999), (31759, 634893), (51303, 393029), (56147, 359121), (90699, 222313), (93639, 215333), (95277, 211631), (119707, 168441)]