20451204

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 38093436

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 47, 51, 54, 68, 79, 81, 94, 102, 108, 141, 153, 158, 162, 188, 204, 237, 282, 306, 316, 324, 423, 459, 474, 564, 612, 711, 799, 846, 918, 948, 1269, 1343, 1377, 1422, 1598, 1692, 1836, 2133, 2397, 2538, 2686, 2754, 2844, 3196, 3713, 3807, 4029, 4266, 4794, 5076, 5372, 5508, 6399, 7191, 7426, 7614, 8058, 8532, 9588, 11139, 12087, 12798, 14382, 14852, 15228, 16116, 21573, 22278, 24174, 25596, 28764, 33417, 36261, 43146, 44556, 48348, 63121, 64719, 66834, 72522, 86292, 100251, 108783, 126242, 129438, 133668, 145044, 189363, 200502, 217566, 252484, 258876, 300753, 378726, 401004, 435132, 568089, 601506, 757452, 1136178, 1203012, 1704267, 2272356, 3408534, 5112801, 6817068, 10225602, 20451204]

約数ペア:

[(1, 20451204), (2, 10225602), (3, 6817068), (4, 5112801), (6, 3408534), (9, 2272356), (12, 1704267), (17, 1203012), (18, 1136178), (27, 757452), (34, 601506), (36, 568089), (47, 435132), (51, 401004), (54, 378726), (68, 300753), (79, 258876), (81, 252484), (94, 217566), (102, 200502), (108, 189363), (141, 145044), (153, 133668), (158, 129438), (162, 126242), (188, 108783), (204, 100251), (237, 86292), (282, 72522), (306, 66834), (316, 64719), (324, 63121), (423, 48348), (459, 44556), (474, 43146), (564, 36261), (612, 33417), (711, 28764), (799, 25596), (846, 24174), (918, 22278), (948, 21573), (1269, 16116), (1343, 15228), (1377, 14852), (1422, 14382), (1598, 12798), (1692, 12087), (1836, 11139), (2133, 9588), (2397, 8532), (2538, 8058), (2686, 7614), (2754, 7426), (2844, 7191), (3196, 6399), (3713, 5508), (3807, 5372), (4029, 5076), (4266, 4794)]