20173688960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{3593}}^1$

素因数の和:3926

約数の個数: 128

約数和(自身を含む): 49973276160

約数和(自身を除く): 29799587200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 283, 310, 320, 496, 566, 620, 640, 992, 1132, 1240, 1415, 1984, 2264, 2480, 2830, 3593, 3968, 4528, 4960, 5660, 7186, 8773, 9056, 9920, 11320, 14372, 17546, 17965, 18112, 19840, 22640, 28744, 35092, 35930, 36224, 43865, 45280, 57488, 70184, 71860, 87730, 90560, 111383, 114976, 140368, 143720, 175460, 181120, 222766, 229952, 280736, 287440, 350920, 445532, 459904, 556915, 561472, 574880, 701840, 891064, 1016819, 1113830, 1122944, 1149760, 1403680, 1782128, 2033638, 2227660, 2299520, 2807360, 3564256, 4067276, 4455320, 5084095, 5614720, 7128512, 8134552, 8910640, 10168190, 14257024, 16269104, 17821280, 20336380, 31521389, 32538208, 35642560, 40672760, 63042778, 65076416, 71285120, 81345520, 126085556, 130152832, 157606945, 162691040, 252171112, 315213890, 325382080, 504342224, 630427780, 650764160, 1008684448, 1260855560, 2017368896, 2521711120, 4034737792, 5043422240, 10086844480, 20173688960]

約数ペア:

[(1, 20173688960), (2, 10086844480), (4, 5043422240), (5, 4034737792), (8, 2521711120), (10, 2017368896), (16, 1260855560), (20, 1008684448), (31, 650764160), (32, 630427780), (40, 504342224), (62, 325382080), (64, 315213890), (80, 252171112), (124, 162691040), (128, 157606945), (155, 130152832), (160, 126085556), (248, 81345520), (283, 71285120), (310, 65076416), (320, 63042778), (496, 40672760), (566, 35642560), (620, 32538208), (640, 31521389), (992, 20336380), (1132, 17821280), (1240, 16269104), (1415, 14257024), (1984, 10168190), (2264, 8910640), (2480, 8134552), (2830, 7128512), (3593, 5614720), (3968, 5084095), (4528, 4455320), (4960, 4067276), (5660, 3564256), (7186, 2807360), (8773, 2299520), (9056, 2227660), (9920, 2033638), (11320, 1782128), (14372, 1403680), (17546, 1149760), (17965, 1122944), (18112, 1113830), (19840, 1016819), (22640, 891064), (28744, 701840), (35092, 574880), (35930, 561472), (36224, 556915), (43865, 459904), (45280, 445532), (57488, 350920), (70184, 287440), (71860, 280736), (87730, 229952), (90560, 222766), (111383, 181120), (114976, 175460), (140368, 143720)]