20565580832

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{991}}^1\times {\mathrm{8209}}^1$

素因数の和:9289

約数の個数: 48

約数和(自身を含む): 41047372800

約数和(自身を除く): 20481791968

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 991, 1264, 1982, 2528, 3964, 7928, 8209, 15856, 16418, 31712, 32836, 65672, 78289, 131344, 156578, 262688, 313156, 626312, 648511, 1252624, 1297022, 2505248, 2594044, 5188088, 8135119, 10376176, 16270238, 20752352, 32540476, 65080952, 130161904, 260323808, 642674401, 1285348802, 2570697604, 5141395208, 10282790416, 20565580832]

約数ペア:

[(1, 20565580832), (2, 10282790416), (4, 5141395208), (8, 2570697604), (16, 1285348802), (32, 642674401), (79, 260323808), (158, 130161904), (316, 65080952), (632, 32540476), (991, 20752352), (1264, 16270238), (1982, 10376176), (2528, 8135119), (3964, 5188088), (7928, 2594044), (8209, 2505248), (15856, 1297022), (16418, 1252624), (31712, 648511), (32836, 626312), (65672, 313156), (78289, 262688), (131344, 156578)]