20097024140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1\times {\mathrm{11393}}^1$

素因数の和:12482

約数の個数: 48

約数和(自身を含む): 42724765440

約数和(自身を除く): 22627741300

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 991, 1780, 1982, 3964, 4955, 9910, 11393, 19820, 22786, 45572, 56965, 88199, 113930, 176398, 227860, 352796, 440995, 881990, 1013977, 1763980, 2027954, 4055908, 5069885, 10139770, 11290463, 20279540, 22580926, 45161852, 56452315, 112904630, 225809260, 1004851207, 2009702414, 4019404828, 5024256035, 10048512070, 20097024140]

約数ペア:

[(1, 20097024140), (2, 10048512070), (4, 5024256035), (5, 4019404828), (10, 2009702414), (20, 1004851207), (89, 225809260), (178, 112904630), (356, 56452315), (445, 45161852), (890, 22580926), (991, 20279540), (1780, 11290463), (1982, 10139770), (3964, 5069885), (4955, 4055908), (9910, 2027954), (11393, 1763980), (19820, 1013977), (22786, 881990), (45572, 440995), (56965, 352796), (88199, 227860), (113930, 176398)]