20239950320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{13597}}^1$

素因数の和:14442

約数の個数: 80

約数和(自身を含む): 49168192320

約数和(自身を除く): 28928242000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 809, 920, 1618, 1840, 3236, 4045, 6472, 8090, 12944, 13597, 16180, 18607, 27194, 32360, 37214, 54388, 64720, 67985, 74428, 93035, 108776, 135970, 148856, 186070, 217552, 271940, 297712, 312731, 372140, 543880, 625462, 744280, 1087760, 1250924, 1488560, 1563655, 2501848, 3127310, 5003696, 6254620, 10999973, 12509240, 21999946, 25018480, 43999892, 54999865, 87999784, 109999730, 175999568, 219999460, 252999379, 439998920, 505998758, 879997840, 1011997516, 1264996895, 2023995032, 2529993790, 4047990064, 5059987580, 10119975160, 20239950320]

約数ペア:

[(1, 20239950320), (2, 10119975160), (4, 5059987580), (5, 4047990064), (8, 2529993790), (10, 2023995032), (16, 1264996895), (20, 1011997516), (23, 879997840), (40, 505998758), (46, 439998920), (80, 252999379), (92, 219999460), (115, 175999568), (184, 109999730), (230, 87999784), (368, 54999865), (460, 43999892), (809, 25018480), (920, 21999946), (1618, 12509240), (1840, 10999973), (3236, 6254620), (4045, 5003696), (6472, 3127310), (8090, 2501848), (12944, 1563655), (13597, 1488560), (16180, 1250924), (18607, 1087760), (27194, 744280), (32360, 625462), (37214, 543880), (54388, 372140), (64720, 312731), (67985, 297712), (74428, 271940), (93035, 217552), (108776, 186070), (135970, 148856)]