20434284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 36437076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 929, 1222, 1692, 1833, 1858, 2444, 2787, 3666, 3716, 5499, 5574, 7332, 8361, 10998, 11148, 12077, 16722, 21996, 24154, 33444, 36231, 43663, 48308, 72462, 87326, 108693, 130989, 144924, 174652, 217386, 261978, 392967, 434772, 523956, 567619, 785934, 1135238, 1571868, 1702857, 2270476, 3405714, 5108571, 6811428, 10217142, 20434284]

約数ペア:

[(1, 20434284), (2, 10217142), (3, 6811428), (4, 5108571), (6, 3405714), (9, 2270476), (12, 1702857), (13, 1571868), (18, 1135238), (26, 785934), (36, 567619), (39, 523956), (47, 434772), (52, 392967), (78, 261978), (94, 217386), (117, 174652), (141, 144924), (156, 130989), (188, 108693), (234, 87326), (282, 72462), (423, 48308), (468, 43663), (564, 36231), (611, 33444), (846, 24154), (929, 21996), (1222, 16722), (1692, 12077), (1833, 11148), (1858, 10998), (2444, 8361), (2787, 7332), (3666, 5574), (3716, 5499)]