20123808420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1\times {\mathrm{2719}}^1$

素因数の和:3445

約数の個数: 96

約数和(自身を含む): 56694113280

約数和(自身を除く): 36570304860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 421, 586, 842, 879, 1172, 1263, 1465, 1684, 1758, 2105, 2526, 2719, 2930, 3516, 4210, 4395, 5052, 5438, 5860, 6315, 8157, 8420, 8790, 10876, 12630, 13595, 16314, 17580, 25260, 27190, 32628, 40785, 54380, 81570, 123353, 163140, 246706, 370059, 493412, 616765, 740118, 796667, 1144699, 1233530, 1480236, 1593334, 1850295, 2289398, 2390001, 2467060, 3186668, 3434097, 3700590, 3983335, 4578796, 4780002, 5723495, 6868194, 7401180, 7966670, 9560004, 11446990, 11950005, 13736388, 15933340, 17170485, 22893980, 23900010, 34340970, 47800020, 68681940, 335396807, 670793614, 1006190421, 1341587228, 1676984035, 2012380842, 3353968070, 4024761684, 5030952105, 6707936140, 10061904210, 20123808420]

約数ペア:

[(1, 20123808420), (2, 10061904210), (3, 6707936140), (4, 5030952105), (5, 4024761684), (6, 3353968070), (10, 2012380842), (12, 1676984035), (15, 1341587228), (20, 1006190421), (30, 670793614), (60, 335396807), (293, 68681940), (421, 47800020), (586, 34340970), (842, 23900010), (879, 22893980), (1172, 17170485), (1263, 15933340), (1465, 13736388), (1684, 11950005), (1758, 11446990), (2105, 9560004), (2526, 7966670), (2719, 7401180), (2930, 6868194), (3516, 5723495), (4210, 4780002), (4395, 4578796), (5052, 3983335), (5438, 3700590), (5860, 3434097), (6315, 3186668), (8157, 2467060), (8420, 2390001), (8790, 2289398), (10876, 1850295), (12630, 1593334), (13595, 1480236), (16314, 1233530), (17580, 1144699), (25260, 796667), (27190, 740118), (32628, 616765), (40785, 493412), (54380, 370059), (81570, 246706), (123353, 163140)]