20198362180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{10009}}^1$

素因数の和:10189

約数の個数: 96

約数和(自身を含む): 45768602880

約数和(自身を除く): 25570240700

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 107, 115, 164, 205, 214, 230, 410, 428, 460, 535, 820, 943, 1070, 1886, 2140, 2461, 3772, 4387, 4715, 4922, 8774, 9430, 9844, 10009, 12305, 17548, 18860, 20018, 21935, 24610, 40036, 43870, 49220, 50045, 87740, 100090, 100901, 200180, 201802, 230207, 403604, 410369, 460414, 504505, 820738, 920828, 1009010, 1070963, 1151035, 1641476, 2018020, 2051845, 2141926, 2302070, 4103690, 4283852, 4604140, 5354815, 8207380, 9438487, 10709630, 18876974, 21419260, 24632149, 37753948, 43909483, 47192435, 49264298, 87818966, 94384870, 98528596, 123160745, 175637932, 188769740, 219547415, 246321490, 439094830, 492642980, 878189660, 1009918109, 2019836218, 4039672436, 5049590545, 10099181090, 20198362180]

約数ペア:

[(1, 20198362180), (2, 10099181090), (4, 5049590545), (5, 4039672436), (10, 2019836218), (20, 1009918109), (23, 878189660), (41, 492642980), (46, 439094830), (82, 246321490), (92, 219547415), (107, 188769740), (115, 175637932), (164, 123160745), (205, 98528596), (214, 94384870), (230, 87818966), (410, 49264298), (428, 47192435), (460, 43909483), (535, 37753948), (820, 24632149), (943, 21419260), (1070, 18876974), (1886, 10709630), (2140, 9438487), (2461, 8207380), (3772, 5354815), (4387, 4604140), (4715, 4283852), (4922, 4103690), (8774, 2302070), (9430, 2141926), (9844, 2051845), (10009, 2018020), (12305, 1641476), (17548, 1151035), (18860, 1070963), (20018, 1009010), (21935, 920828), (24610, 820738), (40036, 504505), (43870, 460414), (49220, 410369), (50045, 403604), (87740, 230207), (100090, 201802), (100901, 200180)]