20536700872

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1\times {\mathrm{823}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 39485750400

約数和(自身を除く): 18949049528

約数列:

[1, 2, 4, 8, 89, 101, 178, 202, 347, 356, 404, 694, 712, 808, 823, 1388, 1646, 2776, 3292, 6584, 8989, 17978, 30883, 35047, 35956, 61766, 70094, 71912, 73247, 83123, 123532, 140188, 146494, 166246, 247064, 280376, 285581, 292988, 332492, 571162, 585976, 664984, 1142324, 2284648, 3119183, 6238366, 7397947, 12476732, 14795894, 24953464, 25416709, 28843681, 29591788, 50833418, 57687362, 59183576, 101666836, 115374724, 203333672, 230749448, 2567087609, 5134175218, 10268350436, 20536700872]

約数ペア:

[(1, 20536700872), (2, 10268350436), (4, 5134175218), (8, 2567087609), (89, 230749448), (101, 203333672), (178, 115374724), (202, 101666836), (347, 59183576), (356, 57687362), (404, 50833418), (694, 29591788), (712, 28843681), (808, 25416709), (823, 24953464), (1388, 14795894), (1646, 12476732), (2776, 7397947), (3292, 6238366), (6584, 3119183), (8989, 2284648), (17978, 1142324), (30883, 664984), (35047, 585976), (35956, 571162), (61766, 332492), (70094, 292988), (71912, 285581), (73247, 280376), (83123, 247064), (123532, 166246), (140188, 146494)]