20359360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 56692800

約数和(自身を除く): 36333440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 149, 160, 224, 244, 280, 298, 305, 320, 427, 448, 488, 560, 596, 610, 745, 854, 976, 1043, 1120, 1192, 1220, 1490, 1708, 1952, 2086, 2135, 2240, 2384, 2440, 2980, 3416, 3904, 4172, 4270, 4768, 4880, 5215, 5960, 6832, 8344, 8540, 9089, 9536, 9760, 10430, 11920, 13664, 16688, 17080, 18178, 19520, 20860, 23840, 27328, 33376, 34160, 36356, 41720, 45445, 47680, 63623, 66752, 68320, 72712, 83440, 90890, 127246, 136640, 145424, 166880, 181780, 254492, 290848, 318115, 333760, 363560, 508984, 581696, 636230, 727120, 1017968, 1272460, 1454240, 2035936, 2544920, 2908480, 4071872, 5089840, 10179680, 20359360]

約数ペア:

[(1, 20359360), (2, 10179680), (4, 5089840), (5, 4071872), (7, 2908480), (8, 2544920), (10, 2035936), (14, 1454240), (16, 1272460), (20, 1017968), (28, 727120), (32, 636230), (35, 581696), (40, 508984), (56, 363560), (61, 333760), (64, 318115), (70, 290848), (80, 254492), (112, 181780), (122, 166880), (140, 145424), (149, 136640), (160, 127246), (224, 90890), (244, 83440), (280, 72712), (298, 68320), (305, 66752), (320, 63623), (427, 47680), (448, 45445), (488, 41720), (560, 36356), (596, 34160), (610, 33376), (745, 27328), (854, 23840), (976, 20860), (1043, 19520), (1120, 18178), (1192, 17080), (1220, 16688), (1490, 13664), (1708, 11920), (1952, 10430), (2086, 9760), (2135, 9536), (2240, 9089), (2384, 8540), (2440, 8344), (2980, 6832), (3416, 5960), (3904, 5215), (4172, 4880), (4270, 4768)]