20193703040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{17539}}^1$

素因数の和:17822

約数の個数: 128

約数和(自身を含む): 55389916800

約数和(自身を除く): 35196213760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 257, 280, 320, 448, 514, 560, 640, 896, 1028, 1120, 1285, 1799, 2056, 2240, 2570, 3598, 4112, 4480, 5140, 7196, 8224, 8995, 10280, 14392, 16448, 17539, 17990, 20560, 28784, 32896, 35078, 35980, 41120, 57568, 70156, 71960, 82240, 87695, 115136, 122773, 140312, 143920, 164480, 175390, 230272, 245546, 280624, 287840, 350780, 491092, 561248, 575680, 613865, 701560, 982184, 1122496, 1151360, 1227730, 1403120, 1964368, 2244992, 2455460, 2806240, 3928736, 4507523, 4910920, 5612480, 7857472, 9015046, 9821840, 11224960, 15714944, 18030092, 19643680, 22537615, 31552661, 36060184, 39287360, 45075230, 63105322, 72120368, 78574720, 90150460, 126210644, 144240736, 157763305, 180300920, 252421288, 288481472, 315526610, 360601840, 504842576, 576962944, 631053220, 721203680, 1009685152, 1262106440, 1442407360, 2019370304, 2524212880, 2884814720, 4038740608, 5048425760, 10096851520, 20193703040]

約数ペア:

[(1, 20193703040), (2, 10096851520), (4, 5048425760), (5, 4038740608), (7, 2884814720), (8, 2524212880), (10, 2019370304), (14, 1442407360), (16, 1262106440), (20, 1009685152), (28, 721203680), (32, 631053220), (35, 576962944), (40, 504842576), (56, 360601840), (64, 315526610), (70, 288481472), (80, 252421288), (112, 180300920), (128, 157763305), (140, 144240736), (160, 126210644), (224, 90150460), (257, 78574720), (280, 72120368), (320, 63105322), (448, 45075230), (514, 39287360), (560, 36060184), (640, 31552661), (896, 22537615), (1028, 19643680), (1120, 18030092), (1285, 15714944), (1799, 11224960), (2056, 9821840), (2240, 9015046), (2570, 7857472), (3598, 5612480), (4112, 4910920), (4480, 4507523), (5140, 3928736), (7196, 2806240), (8224, 2455460), (8995, 2244992), (10280, 1964368), (14392, 1403120), (16448, 1227730), (17539, 1151360), (17990, 1122496), (20560, 982184), (28784, 701560), (32896, 613865), (35078, 575680), (35980, 561248), (41120, 491092), (57568, 350780), (70156, 287840), (71960, 280624), (82240, 245546), (87695, 230272), (115136, 175390), (122773, 164480), (140312, 143920)]