20403733428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{42701}}^1$

素因数の和:43745

約数の個数: 72

約数和(自身を含む): 55599199656

約数和(自身を除く): 35195466228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1021, 2042, 3063, 4084, 6126, 9189, 12252, 13273, 18378, 26546, 36756, 39819, 42701, 53092, 79638, 85402, 119457, 128103, 159276, 170804, 238914, 256206, 384309, 477828, 512412, 555113, 768618, 1110226, 1537236, 1665339, 2220452, 3330678, 4996017, 6661356, 9992034, 19984068, 43597721, 87195442, 130793163, 174390884, 261586326, 392379489, 523172652, 566770373, 784758978, 1133540746, 1569517956, 1700311119, 2267081492, 3400622238, 5100933357, 6801244476, 10201866714, 20403733428]

約数ペア:

[(1, 20403733428), (2, 10201866714), (3, 6801244476), (4, 5100933357), (6, 3400622238), (9, 2267081492), (12, 1700311119), (13, 1569517956), (18, 1133540746), (26, 784758978), (36, 566770373), (39, 523172652), (52, 392379489), (78, 261586326), (117, 174390884), (156, 130793163), (234, 87195442), (468, 43597721), (1021, 19984068), (2042, 9992034), (3063, 6661356), (4084, 4996017), (6126, 3330678), (9189, 2220452), (12252, 1665339), (13273, 1537236), (18378, 1110226), (26546, 768618), (36756, 555113), (39819, 512412), (42701, 477828), (53092, 384309), (79638, 256206), (85402, 238914), (119457, 170804), (128103, 159276)]