20412210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7477}}^1$

素因数の和:7507

約数の個数: 64

約数和(自身を含む): 60302592

約数和(自身を除く): 39890382

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7477, 14954, 22431, 37385, 44862, 52339, 74770, 97201, 104678, 112155, 157017, 194402, 224310, 261695, 291603, 314034, 486005, 523390, 583206, 680407, 785085, 972010, 1360814, 1458015, 1570170, 2041221, 2916030, 3402035, 4082442, 6804070, 10206105, 20412210]

約数ペア:

[(1, 20412210), (2, 10206105), (3, 6804070), (5, 4082442), (6, 3402035), (7, 2916030), (10, 2041221), (13, 1570170), (14, 1458015), (15, 1360814), (21, 972010), (26, 785085), (30, 680407), (35, 583206), (39, 523390), (42, 486005), (65, 314034), (70, 291603), (78, 261695), (91, 224310), (105, 194402), (130, 157017), (182, 112155), (195, 104678), (210, 97201), (273, 74770), (390, 52339), (455, 44862), (546, 37385), (910, 22431), (1365, 14954), (2730, 7477)]